{"title":"Cylinder Head Gaskets","description":"Finding the right gasket can be a difficult task because everyone's setup is different. So, what works for one may not work for the other. The main thing here is oil leakage control. SCE, Cometic and OEM knows that and has designed a self sealing, copper or steel gasket for your application. Find the bore and thickness needed for your engine here.","products":[{"product_id":"gmp-12498545","title":"Chevrolet Performance; LS; Head Bolt Kit (97-03) 12498545","description":"\u003ch1\u003e\u003cspan\u003eCylinder Head Bolts, Chromoly, Cadmium, Hex, Gen. 3 1997-03 Chevy LS, 4.8L, 5.3L, 5.7L, 6.0L, 1-Head, Set\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eBrand: Chevrolet Performance\u003cbr\u003eManufacturer's Part Number: 12498545\u003cbr\u003ePart Type: Cylinder Head Fasteners\u003cbr\u003eProduct Line: Chevrolet Performance Head Bolt Kits\u003cbr\u003eFastener Style: Bolt\u003cbr\u003eUndercut Stud: No\u003cbr\u003eHead Style: Hex\u003cbr\u003eFastener Material: Chromoly\u003cbr\u003eFastener Color: Cadmium plated\u003cbr\u003eWashers Included: No\u003cbr\u003eQuantity: Sold as a set.\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNotes:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eKit services one head only, two kits are required for installation. Torque to yield bolts are good for 1 use on engine. Kit contains 8- M11 x 2.0 bolts that are 155mm long, 2- M11 x 2.0 bolts that are 100mm long, and 5- M8 x 1.25 bolts that are 45mm long. These are first design 1997-2003 bolts using 3 different lengths.\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30339346464819,"sku":"GMP-12498545","price":49.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/12498545.png?v=1791288352"},{"product_id":"chevrolet-performance-12622325","title":"Chevrolet Performance; LT; 3.840\" Bore; 0.054\" Thick; Head Gasket 12622325","description":"","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348147130419,"sku":"GMP-12622325","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/ado-12622325_xl.jpg?v=1626793745"},{"product_id":"gmp-12498544","title":"Chevrolet Performance; LS; 3.910\" Bore; 0.051\" Thick; Head Gasket, One individual head gasket 12498544","description":"\u003ch1\u003e\u003cspan\u003eHead Gaskets, MLS, 3.910 bore, 0.051 in. Thick, Chevy, LS1, LS6, 5.7L, \u003cspan style=\"text-decoration: underline;\"\u003eOne individual head gasket\u003c\/span\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cbr\u003eBrand: Chevrolet Performance\u003cbr\u003eManufacturer's Part Number: 12498544\u003cbr\u003ePart Type: Head Gaskets\u003cbr\u003eProduct Line: Chevrolet Performance LS1\/LS6 Cylinder Head Gasket Kits\u003cbr\u003eBore (in.): 3.910 in.\u003cbr\u003eBore (mm): 99.314mm\u003cbr\u003eCompressed Thickness (in.): 0.056 in.\u003cbr\u003eCompressed Volume (cc): 10.035cc\u003cbr\u003eLock Wire: No\u003cbr\u003eQuantity:\u003cbr\u003eSold as a pair.\u003cbr\u003eChevrolet Performance LS1\/LS6 Cylinder Head Gasket Kits\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003eChevrolet Performance LS1\/LS6 cylinder head gasket kits ensure a good seal for your heads. They're designed to prevent coolant and oil leakage.\u003c\/h2\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348147621939,"sku":"GMP-12498544","price":51.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/12495844.png?v=1791288843"},{"product_id":"gmp-12589227","title":"Chevrolet Performance; LS; 4.020\" Bore; 0.051\" Thick; Head Gasket 12589227","description":"\u003ch2\u003eHead Gasket, MLS, 4.020 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, LS2\/LS6, Each\u003c\/h2\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348147654707,"sku":"GMP-12589227","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/12589227.png?v=1791286115"},{"product_id":"gmp-12610046","title":"Chevrolet Performance; LS; 4.080\" Bore; 0.051\" Thick; Head Gasket 12610046","description":"\u003ch1\u003eHead Gasket, MLS, 4.080 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, LS3\/L92, Each\u003c\/h1\u003e\n\u003ch2\u003eBrand:\u003cbr\u003eChevrolet Performance\u003cbr\u003eManufacturer's Part Number:\u003cbr\u003e12610046\u003cbr\u003ePart Type:\u003cbr\u003eHead Gaskets\u003cbr\u003eProduct Line:\u003cbr\u003eChevrolet Performance Composition Head Gaskets\u003cbr\u003eUPC:\u003cbr\u003e808709358374\u003cbr\u003eBore (in.):\u003cbr\u003e4.080 in.\u003cbr\u003eBore (mm):\u003cbr\u003e103.632mm\u003cbr\u003eGasket Material:\u003cbr\u003eMulti-layer steel\u003cbr\u003eCompressed Thickness (in.):\u003cbr\u003e0.051 in.\u003cbr\u003eCompressed Volume (cc):\u003cbr\u003e10.927cc\u003cbr\u003eLock Wire:\u003cbr\u003eNo\u003cbr\u003eQuantity:\u003cbr\u003eSold individually.\u003cbr\u003eNotes:\u003cbr\u003eDesigned for use with the LS3 and L92 model heads.\u003cbr\u003eChevrolet Performance Composition Head Gaskets\u003c\/h2\u003e\n\u003ch2\u003eChevrolet Performance composition head gaskets are recommended for stock and mildly modified engines. They're available in a variety of bores, compressed thicknesses, and volumes for fitment on specific vehicle and engine applications.\u003c\/h2\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348147785779,"sku":"GMP-12610046","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/6.0_gasket.jpg?v=1742214459"},{"product_id":"gmp-12688943","title":"Chevrolet Performance; LT; 4.110\" Bore; 0.054\" Thick; Head Gasket 12688943","description":"","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348148834355,"sku":"GMP-12688943","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/LT16.2Lgasket.jpg?v=1634763473"},{"product_id":"gmp-12654622","title":"Chevrolet Performance; LT; 4.100\" Bore; 0.055\" Thick; Head Gasket 12654622 Supercharged 12654622 (each)","description":"\u003cp\u003eBrand:\u003cbr\u003eACDelco\u003cbr\u003eManufacturer's Part Number:\u003cbr\u003e12654622\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSold individually\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003ePart Type:\u003cbr\u003eHead Gaskets\u003cbr\u003eProduct Line:\u003cbr\u003eAC Delco GM Genuine Parts Cylinder Head Gaskets\u003cbr\u003eUPC:\u003cbr\u003e00197224918102\u003cbr\u003eBore (in.):\u003cbr\u003e4.100 in.\u003cbr\u003eBore (mm):\u003cbr\u003e104.140mm\u003cbr\u003eGasket Material:\u003cbr\u003eMulti-layer steel\u003cbr\u003eCompressed Thickness (in.):\u003cbr\u003e0.055 in.\u003cbr\u003eCompressed Volume (cc):\u003cbr\u003e11.899cc\u003cbr\u003eLock Wire:\u003cbr\u003eNo\u003cbr\u003eQuantity:\u003cbr\u003eSold individually.\u003cbr\u003eAC Delco GM Genuine Parts Cylinder Head Gaskets\u003c\/p\u003e\n\u003cp\u003eAC Delco GM Genuine Parts cylinder head gaskets offer the quality, reliability, and durability of GM OE. Head gaskets contain all the heat and compression generated by your vehicle's engine, and they seal the combustion chambers, coolant, and oil passages between the cylinder head and the engine block. AC Delco GM Genuine Parts cylinder head gaskets are the recommended replacements for your vehicle's original components, delivering the right fit, form, and function to keep your engine running properly.\u003c\/p\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":30348149522483,"sku":"GMP-12654622","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/12654622.png?v=1791293749"},{"product_id":"sce-cr271555","title":"Athena-SCE Vulcan Cut-Ring; LT; 4.150\" Bore; 0.055\" Thick; Head Gasket CR271555","description":"\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eSCE Gaskets\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eManufacturer's Part Number:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e\n\u003cdiv class=\"beat-a-price-attr\"\u003eCR271555\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003ePart Type:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eHead Gaskets\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBore (in.):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e4.150 in.\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBore (mm):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e105.410mm\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eGasket Material:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eComposite\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eCompressed Thickness (in.):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e0.055 in.\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eCompressed Volume (cc):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e12.413cc\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eLock Wire:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eYes\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eSold individually.\u003c\/div\u003e","brand":"Athena-SCE","offers":[{"title":"Default Title","offer_id":30354097504307,"sku":"SCE-CR271555","price":161.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/CR271555.png?v=1571330306"},{"product_id":"sce-cr272055","title":"Athena-SCE Vulcan Cut-Ring; LT; 4.200\" Bore; 0.055\" Thick; Head Gasket CR272055","description":"\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eSCE Gasket\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eManufacturer's Part Number:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e\n\u003cdiv class=\"beat-a-price-attr\"\u003eCR272055\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003ePart Type:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eHead Gasket\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBore (in.):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e4.200 in.\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eBore (mm):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e106.680mm\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eGasket Material:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eComposite\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eCompressed Thickness (in.):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e0.055 in.\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eCompressed Volume (cc):\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003e12.714cc\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eLock Wire:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eYes\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-9 large-6\"\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"small-12 medium-15 large-18\"\u003eSold individually.\u003c\/div\u003e","brand":"Athena-SCE","offers":[{"title":"Default Title","offer_id":30354097799219,"sku":"SCE-CR272055","price":161.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/SCE-CR272055.png?v=1571333551"},{"product_id":"3vp-9256-4100-070","title":"3V Performance Custom Flatout;  LS;  4.145 Bore;  0.070 Thick;  Copper; Head Gasket Pair 9256-4145-070","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eCustom Flatout copper head gasket pair for 3V Performance LS engine applications. Features a 4.145-inch bore opening and .070-inch gasket thickness for builds requiring these specific dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9256-4145-070\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngine Family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Chevrolet LS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Copper\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBore Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.145\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGasket Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .070\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold As:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Head gasket pair\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eVerify bolt pattern, coolant passage layout, and bore clearance against your block and cylinder heads before installation. Follow Flatout’s installation requirements for sealing and surface preparation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":31057151393843,"sku":"3VP-9256-4100-070","price":248.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/FLATOUT_GASKETS_240x240_89cc1e78-8a5b-4533-b662-a65a57cf8db0.png?v=1572444108"},{"product_id":"3vp-9256-4155-070","title":"3V Performance Custom Flatout;  LS;  4.155 Bore;  0.050 Thick;  Copper; Head Gasket Pair 9256-4155-050","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eCustom Flatout copper head gasket pair for 3V Performance LS engine applications. Features a 4.145-inch bore opening and .050-inch gasket thickness for builds requiring these specific dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9256-4145-070\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngine Family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Chevrolet LS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Copper\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBore Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.145\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGasket Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .050\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold As:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Head gasket pair\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eVerify bolt pattern, coolant passage layout, and bore clearance against your block and cylinder heads before installation. Follow Flatout’s installation requirements for sealing and surface preparation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":31057153163315,"sku":"3VP-9256-4155-070","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/FLATOUT_GASKETS_240x240_d89fc2fc-8876-4d44-96e5-9e2ffefd56b6.png?v=1572444112"},{"product_id":"chevrolet-performance-12622033-chevrolet-performance-composition-head-gaskets","title":"Chevrolet Performance 12622033 - Chevrolet Performance Composition Head Gaskets","description":"\u003cp class=\"part-type-link\"\u003e\u003cspan\u003eGM 12622033 LSA\/LS9 Head Gasket\/ Elring 475 625\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"wsm-tab-content-header\"\u003e\u003cspan\u003eDESCRIPTION\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"wsm-prod-tab-content\" itemprop=\"description\"\u003e\n\u003cul\u003e\n\u003cli\u003eSingle gasket, 2 required\u003c\/li\u003e\n\u003cli\u003eFor supercharged\/turbocharged LS3\/L92 6.2L engines\u003c\/li\u003e\n\u003cli\u003eOEM head gasket for LS9 and LSA engines.\u003c\/li\u003e\n\u003cli\u003e.055\" thick\u003c\/li\u003e\n\u003cli\u003e7 Layer gasket\u003c\/li\u003e\n\u003cli\u003e4.080\" max bore\u003c\/li\u003e\n\u003cli\u003eStandard LS bolt pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":39548059779123,"sku":"3V-GMLS9GSK","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/nal-12622033_sn_xl.jpg?v=1632837352"},{"product_id":"3v-performance-custom-flatout-ls-4-155-bore-0-040-thick-copper-head-gasket-pair-9140504155","title":"3V Performance Custom Flatout;  LS;  4.155 Bore;  0.040 Thick;  Copper; Head Gasket Pair 9140404155","description":"\u003ch2 data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eFlatout 9140 head gaskets feature rubber-coated copper construction for Dart LS Next performance engine builds. The copper core and proprietary RCC coating provide a sealing solution with application-specific coolant passages and left- and right-hand gasket configurations.\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eBase Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9140\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dart LS Next\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC rubber-coated copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eThickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Fasteners:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/2\" and 3\/8\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener Hole Diameters:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .530\" and .425\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left and right\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCoolant Passages:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Included\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":39600541630515,"sku":"3VP-9140-4155-040","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031.jpg?v=1635604076"},{"product_id":"copy-of-3v-performance-custom-flatout-ls-4-080-bore-0-040-thick-copper-head-gasket-pair-9140404080","title":"3V Performance Custom Flatout;  LS;  4.080 Bore;  0.050 Thick;  Copper; Head Gasket Pair 9140504080","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003e3V Performance Custom Flatout LS Copper Head Gasket Pair – 4.080\" Bore – .050\" Thick\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eThe 3V Performance Custom Flatout 9140604080 head gasket pair features rubber-coated copper construction for Dart LS Next engine applications. A copper core with Flatout’s proprietary RCC coating provides a sealing solution for performance engine builds.\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cspan\u003eThis pair includes application-specific left- and right-hand gaskets with coolant passages, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.080\" gasket bore\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.050\" thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9140604080\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LS-based Dart LS Next engines\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.080\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eThickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .050\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC rubber-coated copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Fastener Sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/2\" and 3\/8\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair—one left and one right gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVerify block, cylinder head, fastener, and gasket bore compatibility before ordering. Follow Flatout’s installation requirements for surface preparation and combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":39600546807859,"sku":"3VP-9140-4080-050","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031_8707f317-7411-48d8-b347-24928c611ca9.jpg?v=1635604218"},{"product_id":"copy-of-copy-of-3v-performance-custom-flatout-ls-4-155-bore-0-050-thick-copper-head-gasket-pair-9140504155","title":"3V Performance Custom Flatout;  LS;  4.155 Bore;  0.060 Thick;  Copper; Head Gasket Pair 9140604155","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe 3V Performance Custom Flatout 9140604155 head gasket pair features rubber-coated copper construction for Dart LS Next engine applications. A copper core with Flatout’s proprietary RCC coating provides a sealing solution for performance engine builds.\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cspan\u003eThis pair includes application-specific left- and right-hand gaskets with coolant passages, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.155\" gasket bore\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.060\" thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9140604155\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LS-based Dart LS Next engines\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.155\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eThickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .060\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC rubber-coated copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Fastener Sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/2\" and 3\/8\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair—one left and one right gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVerify block, cylinder head, fastener, and gasket bore compatibility before ordering. Follow Flatout’s installation requirements for surface preparation and combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":39600547987507,"sku":"3VP-9140-4155-060","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031_eb5567dc-3932-49ec-a67a-424791dfc05d.jpg?v=1635604270"},{"product_id":"cometic-mlx-ls-4-150-bore-0-052-thick-left-side-head-gasket-h3492-052","title":"Cometic LSX MLX Head Gasket – Left Side – 4.165\" Bore – .052\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3492SP4052S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .052-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .052\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5-layer MLX steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3492SP4052S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579003109689,"sku":"H3492SP4052S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-h3491sp4032s-is-a-right-side-gm-lsx-mlx-head-gasket","title":"Cometic LSX MLX Head Gasket – Right Side – 4.165\" Bore – .032\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3491SP4032 MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .032-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Right bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .032\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3491SP4032\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579047805241,"sku":"H3491SP4032S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-h3491sp4040s-is-a-right-side-gm-lsx-mlx-head-gasket","title":"Cometic LSX MLX Head Gasket – Right Side – 4.165\" Bore – .040\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3491SP4040S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .040-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Right bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3491SP4040S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579126579513,"sku":"H3491SP4040S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-h3491sp4052s-is-a-right-side-gm-lsx-mlx-head-gasket","title":"Cometic LSX MLX Head Gasket – Right Side – 4.165\" Bore – .052\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3491SP4052S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .052-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Right bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .052\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5-layer MLX steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3491SP4052S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579152892217,"sku":"H3491SP4052S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mlx-head-gasket-right-side-4-165-bore-060-thick","title":"Cometic LSX MLX Head Gasket – Right Side – 4.165\" Bore – .060\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3491SP4060S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .060-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Right bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .060\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3491SP4060S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579164393785,"sku":"H3491SP4060S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mlx-head-gasket-left-side-4-165-bore-060-thick-copy","title":"Cometic LSX MLX Head Gasket – Left Side – 4.165\" Bore – .060\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3492SP4060S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .060-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .060\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3492SP4060S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579169800505,"sku":"H3492SP4060S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mlx-head-gasket-left-side-4-165-bore-032-thick","title":"Cometic LSX MLX Head Gasket – Left Side – 4.165\" Bore – .032\" Thick","description":"\u003ch2\u003e\u003cspan\u003eCometic H3492SP4032S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .032-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left bank\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .032\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3492SP4032S\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579172716857,"sku":"H3492SP4032S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mlx-head-gasket-left-side-4-165-bore-040-thick","title":"Cometic LSX MLX Head Gasket – Left Side – 4.165\" Bore – .040\" Thick","description":"\u003cp\u003e\u003cspan\u003eCometic H3492SP4040S MLX head gasket for GM LSX applications. Features a 4.165-inch gasket bore and .040-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left bank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.165\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFastener sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ½\" and ⅜\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H3492SP4040S\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579182580025,"sku":"H3492SP4040S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mls-head-gasket-right-side-4-220-bore-040-thick","title":"Cometic LSX MLS Head Gasket – Right Side – 4.220\" Bore – .040\" Thick","description":"\u003cp\u003e\u003cspan\u003eCometic H2569SPBZ040S MLS head gasket for GM LSX applications. Features a 4.220-inch gasket bore and .040-inch compressed thickness, with an integrated stopper layer for combustion sealing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Right bank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.220\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLX multilayer steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H2569SPBZ040S\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579218133305,"sku":"H2569SPBZ040S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"cometic-lsx-mls-head-gasket-rleft-side-4-220-bore-040-thick","title":"Cometic LSX MLS Head Gasket – Left Side – 4.220\" Bore – .040\" Thick","description":"\u003cp\u003e\u003cspan\u003eCometic H2570SPBZ040S MLS head gasket for GM LSX applications. Features a 4.220-inch gasket bore and .040-inch compressed thickness, with multilayer steel construction for sealing combustion pressure, coolant, and oil passages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEngine family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III\/IV LS – LSX applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOrientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Left bank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.220\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MLS multilayer steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePart number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e H2570SPBZ040S\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold individually. Verify compatibility with your block and cylinder heads before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":67579566162233,"sku":null,"price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/COMETIC_240x240_d0e38c76-c137-4d53-ad9c-c9d71dcac30f.png?v=1570044713"},{"product_id":"3v-performance-custom-flatout-ls-4-155-bore-0-070-thick-copper-head-gasket-pair-9140704155","title":"3V Performance Custom Flatout;  LS;  4.155 Bore;  0.070 Thick;  Copper; Head Gasket Pair 9140704155","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe 3V Performance Custom Flatout 9140704155 head gasket pair features rubber-coated copper construction for Dart LS Next engine applications. A copper core with Flatout’s proprietary RCC coating provides a sealing solution for performance engine builds.\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cspan\u003eThis pair includes application-specific left- and right-hand gaskets with coolant passages, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.155\" gasket bore\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.060\" thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9140704155\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LS-based Dart LS Next engines\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.155\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eThickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .070\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC rubber-coated copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Fastener Sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/2\" and 3\/8\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair—one left and one right gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVerify block, cylinder head, fastener, and gasket bore compatibility before ordering. Follow Flatout’s installation requirements for surface preparation and combustion sealing.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":67602607112505,"sku":"3VP-9140-4155-070","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031_eb5567dc-3932-49ec-a67a-424791dfc05d.jpg?v=1635604270"},{"product_id":"3v-performance-custom-flatout-ls-4-155-bore-0-040-thick-copper-head-gasket-pair-9169p404155","title":"3V Performance Flatout Dart LS Next Copper Head Gasket Pair — 4.155\" Bore, .040\" Thick 9169P4155040","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003e3V Performance Flatout Dart LS Next Copper Head Gasket Pair — 4.155\" Bore, .040\" Thick\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eFlatout RCC copper head gaskets for Dart LS Next applications requiring a gasket without coolant holes. This left and right pair features a 4.155-inch bore opening and .040-inch thickness.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9169P\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dart LS Next\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eBore Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.155\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .040\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCoolant Holes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e None\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eStud Hole Sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .530\" for 1\/2\" studs and .425\" for 3\/8\" studs\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eSold As:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair—one left and one right gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eConfirm bore clearance, bolt pattern, and coolant configuration for your block and cylinder heads before installation.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":67602862670137,"sku":"3VP-9169P-4155-040","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031.jpg?v=1635604076"},{"product_id":"3v-performance-flatout-dart-ls-next-copper-head-gasket-pair-4-155-bore-040-thick-9169p4155070","title":"3V Performance Flatout Dart LS Next Copper Head Gasket Pair — 4.155\" Bore, .070\" Thick 9169P4155070","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003e3V Performance Flatout Dart LS Next Copper Head Gasket Pair — 4.155\" Bore, .070\" Thick\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eFlatout RCC copper head gaskets for Dart LS Next applications requiring a gasket without coolant holes. This left and right pair features a 4.155-inch bore opening and .070-inch thickness.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9169P\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dart LS Next\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eBore Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.155\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .070\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eCoolant Holes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e None\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eStud Hole Sizes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .530\" for 1\/2\" studs and .425\" for 3\/8\" studs\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eSold As:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair—one left and one right gasket\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eConfirm bore clearance, bolt pattern, and coolant configuration for your block and cylinder heads before installation.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":67602869780793,"sku":"3VP-9169P-4155-070","price":274.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/products\/Screenshot2021-10-30102031.jpg?v=1635604076"},{"product_id":"flatout-big-block-chevrolet-copper-head-gasket-pair-4-620-bore-060-thick-9002-3vp-9002-4620-060","title":"Flatout Big Block Chevrolet Copper Head Gasket Pair — 4.620\" Bore, .060\" Thick — 9002 3VP-9002-4620-060","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003eFlatout Big Block Chevrolet Copper Head Gasket Pair — 4.620\" Bore, .060\" Thick — 9002\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eFlatout RCC copper head gasket pair for Chevrolet Mark IV big block applications. Features a 4.620-inch bore opening, .060-inch thickness, and .490-inch stud holes for use with 7\/16-inch head studs.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9002\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Chevrolet Mark IV Big Block\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCC copper\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eBore Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.620\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eGasket Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .060\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eStud Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7\/16\" studs with .490\" holes\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan\u003eSold As:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Head gasket pair\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVerify bore clearance, bolt pattern, and coolant passage alignment with your block and cylinder heads before installation. Follow Flatout’s installation requirements for sealing and surface preparation.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Flatout","offers":[{"title":"Default Title","offer_id":67602901107001,"sku":"3VP-9002-4620-060","price":259.99,"currency_code":"USD","in_stock":true}]},{"product_id":"3v-performance-modified-ls-mls-head-gasket-4-100-bore-050-thickness","title":"3V Performance Modified LS MLS Head Gasket — 4.100\" Bore \/ .050\" Thickness STR-346-4411P","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eModified LS MLS Head Gasket — 4.100\" Bore \/ .050\" Thickness (Pair}\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eGen III\/IV LS Performance Head Gasket(Big Bore)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGen III and Gen IV LS engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these modified head gaskets feature \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eseven enlarged coolant passages\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to promote coolant circulation around the cylinders. The modifications are intended to reduce localized heat buildup and support more consistent temperatures during demanding performance use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManaging heat around the cylinders and combustion chambers helps support consistent engine performance under sustained load. These gaskets focus on improving coolant distribution, with actual results depending on the engine combination and cooling system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecoated multi-layer steel (MLS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these gaskets provide durable sealing for performance applications. Their \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.100\" bore opening\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.050\" compressed thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e accommodate compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6.0L and 6.2L LS combinations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III and Gen IV LS engines; verify compatibility with your block and cylinder heads\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum cylinder bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.100\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .050\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Coated multi-layer steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling modification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seven enlarged coolant passages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pair\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor off-road use only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3V Performance","offers":[{"title":"Default Title","offer_id":67607097180473,"sku":null,"price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/346-4411p.png?v=1791289678"},{"product_id":"3v-performance-modified-large-bore-ls-mls-head-gasket-4-100-bore-050-thickness","title":"3V Performance Modified  Large Bore LS MLS Head Gasket — 4.100\" Bore \/ .050\" Thickness STR-346-4411","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eModified LS MLS Head Gasket — 4.100\" Bore \/ .050\" Thickness\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eGen III\/IV LS Performance Head Gasket(Big Bore)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eLS Large Bore MLS Head gasket  4.100\" bore x .050\" Coated (Each)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGen III and Gen IV LS engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these modified head gaskets feature \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eseven enlarged coolant passages\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to promote coolant circulation around the cylinders. The modifications are intended to reduce localized heat buildup and support more consistent temperatures during demanding performance use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManaging heat around the cylinders and combustion chambers helps support consistent engine performance under sustained load. These gaskets focus on improving coolant distribution, with actual results depending on the engine combination and cooling system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecoated multi-layer steel (MLS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these gaskets provide durable sealing for performance applications. Their \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.100\" bore opening\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.050\" compressed thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e accommodate compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6.0L and 6.2L LS combinations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III and Gen IV LS engines; verify compatibility with your block and cylinder heads\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum cylinder bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.100\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .050\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Coated multi-layer steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling modification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seven enlarged coolant passages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket; order two for a complete engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor off-road use only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3V Performance","offers":[{"title":"Default Title","offer_id":67607106748729,"sku":"3VSTR-346-4411","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/346-4411.png?v=1791290162"},{"product_id":"3v-performance-modified-small-bore-ls-mls-head-gasket-3-945-bore-050-thickness-str-346-4031","title":"3V Performance Modified Small Bore LS MLS Head Gasket — 3.945\" Bore \/ .050\" Thickness STR-346-4031","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eModified LS MLS Head Gasket — 3.945\" Bore \/ .050\" Thickness\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eGen III\/IV LS Performance Head Gasket(Big Bore)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003eLS Large Bore MLS Head gasket  3.945\" bore x .050\" Coated (Each)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGen III and Gen IV LS engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these modified head gaskets feature \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eseven enlarged coolant passages\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to promote coolant circulation around the cylinders. The modifications are intended to reduce localized heat buildup and support more consistent temperatures during demanding performance use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManaging heat around the cylinders and combustion chambers helps support consistent engine performance under sustained load. These gaskets focus on improving coolant distribution, with actual results depending on the engine combination and cooling system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecoated multi-layer steel (MLS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these gaskets provide durable sealing for performance applications. Their 3.945\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\" bore opening\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.050\" compressed thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e accommodate compatible \u003cstrong\u003e4.8\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eL,5.3L and 5.7L LS combinations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gen III and Gen IV LS engines; verify compatibility with your block and cylinder heads\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum cylinder bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.945\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompressed thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e .050\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Coated multi-layer steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling modification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seven enlarged coolant passages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One gasket; order two for a complete engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor off-road use only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3V Performance","offers":[{"title":"Default Title","offer_id":67607214227769,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/346-4031.png?v=1791292792"}],"url":"https:\/\/3vperformance.com\/collections\/cylinder-head-gaskets\/gas-mat_mls.oembed","provider":"3V Performance","version":"1.0","type":"link"}