{"product_id":"pac-1218x-16-top-0-650-in-bottom-0-885-in-id-top-1-055-in-bottom-1-290-in-od-1-800-in-installed-height-0-600-in-max-valve-lift","title":"PAC-1218X-16 Top 0.650 in. \/ Bottom 0.885 in. ID – Top 1.055 in. \/ Bottom 1.290 in. OD – 1.800 in. installed Height – 0.600 in. Max Valve Lift","description":"\u003cp\u003eTop 0.650 in. \/ Bottom 0.885 in. ID – Top 1.055 in. \/ Bottom 1.290 in. OD – 1.800 in. installed Height – 0.600 in. Max Valve Lift\u003c\/p\u003e\n\u003cp\u003ePAC Racing’s 1200 Series Ovate Wire Beehive Valve Springs are a budget-minded spring designed for the rigors of street driving with occasional track days in the mix. This is the perfect spring for your street\/strip terror. Applications include Ford 2V Mod Motor, GM Gen III\/IV LS, Big Block Chevy, Ford 4V Mod Motor, Ford 3V Mod Motor, Chrysler Gen III Hemi, Viper SRT-10, and Small Block Chevy.\u003c\/p\u003e\n\u003cp\u003eBuilt using our signature PACaloy super clean wire to ensure strength and durability\u003cbr\u003eIn-house heat-treating for precise spring rates and increased strength\u003cbr\u003eMulti-peen process to optimize service life\u003cbr\u003ePolishing to improve operating cycles\u003cbr\u003eNano-Peen™ proprietary surface treatment\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eOuter Diameter – Outer Valve Spring    \u003cbr\u003eTop 1.055 IN \/ Bottom 1.290 IN\u003c\/p\u003e\n\u003cp\u003eInner Diameter – Outer Valve Spring    \u003cbr\u003eTop 0.650 IN \/ Bottom 0.885 IN\u003c\/p\u003e\n\u003cp\u003eInstalled Height    \u003cbr\u003e1.800 IN\u003c\/p\u003e\n\u003cp\u003eInstalled Load    \u003cbr\u003e130 PS\u003c\/p\u003e\n\u003cp\u003eInstalled Load \/ Height (Valve Closed)    \u003cbr\u003e130 LB @ 1.800 IN\u003c\/p\u003e\n\u003cp\u003eOpen Load    \u003cbr\u003e318 PS\u003c\/p\u003e\n\u003cp\u003eOpen Load \/ Height (Valve Open)    \u003cbr\u003e318 LB @ 1.200 IN\u003c\/p\u003e\n\u003cp\u003eValve Spring Rate    \u003cbr\u003e313 PS\u003c\/p\u003e\n\u003cp\u003eMax Coil Bind    \u003cbr\u003e1.140 IN\u003c\/p\u003e\n\u003cp\u003eMax Valve Lift    \u003cbr\u003e0.600 IN\u003c\/p\u003e\n\u003cp\u003eRecommended Valve Spring Retainer – 300 Series    \u003cbr\u003eR310, R311, R363\u003c\/p\u003e\n\u003cp\u003eRecommended Valve Spring Retainer – 500 Series    \u003cbr\u003eR510, R511\u003c\/p\u003e\n\u003cp\u003eRecommended Valve Spring Seat    \u003cbr\u003eS111\u003c\/p\u003e\n\u003cp\u003eValve Spring Series    \u003cbr\u003eRPM Series\u003c\/p\u003e\n\u003cp\u003eValve Spring Type    \u003cbr\u003eOvate Wire Beehive\u003c\/p\u003e\n\u003cp\u003ePrimary Market    \u003cbr\u003eCircle Track|Street Performance\u003c\/p\u003e","brand":"PAC","offers":[{"title":"Default Title","offer_id":67723426234681,"sku":"PAC-1218X-16","price":305.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/1218x.png?v=1792520910","url":"https:\/\/3vperformance.com\/products\/pac-1218x-16-top-0-650-in-bottom-0-885-in-id-top-1-055-in-bottom-1-290-in-od-1-800-in-installed-height-0-600-in-max-valve-lift","provider":"3V Performance","version":"1.0","type":"link"}