{"product_id":"cca-valve-spring-sets-41","title":"COMP Cams 947-16 - Race Extreme 1.660\" OD Triple Springs; 2.050\" Installed Height; 16 Springs","description":"\u003cp\u003eTriple Valve Springs from COMP Cams deliver maximum strength, durability and valve train stability. Engineered from Super Clean wire and subjected to extensive quality control measures, the triple spring design creates a stronger valve spring that can easily handle the increased lift and extreme demands found in aggressive applications. COMP Cams Triple Valve Springs exceed the expectations of today's engine builders and racers.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmazon ASIN:\u003c\/strong\u003e B00062Y9X6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:\u003c\/strong\u003e Yes, but must be a race\/competition only vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason:\u003c\/strong\u003e No impact on pollution output of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Bind Height:\u003c\/strong\u003e 1.145 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible .570\" Guide Diameter Spring Seats:\u003c\/strong\u003e 4786-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Retainer:\u003c\/strong\u003e 739-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Shims:\u003c\/strong\u003e 4756\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Spring Cup (O.D. Locator):\u003c\/strong\u003e 4708-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Spring Inside Diameter:\u003c\/strong\u003e 0.863\/0.627 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Springs:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Spring Inside Diameter:\u003c\/strong\u003e 1.196 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Spring Outside Diameter:\u003c\/strong\u003e 1.66 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Height:\u003c\/strong\u003e 2.05 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Pressure:\u003c\/strong\u003e 304 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Rate:\u003c\/strong\u003e 681\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Spring Series:\u003c\/strong\u003e Race Extreme\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":45357714964615,"sku":"COM947-16","price":855.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/947-16.jpg?v=1788268133","url":"https:\/\/checkout.northernperformance.ca\/products\/cca-valve-spring-sets-41","provider":"Northern Performance","version":"1.0","type":"link"}