{"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\/products\/3v-performance-modified-small-bore-ls-mls-head-gasket-3-945-bore-050-thickness-str-346-4031","provider":"3V Performance","version":"1.0","type":"link"}