{"product_id":"comp-cams-977-1-valve-spring-for-972-973","title":"COMP Cams 977-1 - Valve Spring For 972-973","description":"\u003cp\u003eCOMP Cams 977-1 - Valve Spring For 972-973\u003c\/p\u003e\u003cp\u003eValve Spring - Dual Spring \/ Damper - 441 lb\/in Spring Rate - 1.195 in Coil Bind - 1.460 in OD - Each\u003c\/p\u003e\u003cp\u003eDual Valve Spring: 1.460\" OD Outer, .700\" ID Inner\u003c\/p\u003e\u003cp\u003eDual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today's engine builders and racers.\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCoil Bind Height\u003c\/strong\u003e: \u003cspan\u003e1.195\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Retainer\u003c\/strong\u003e: \u003cspan\u003e740-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Shims\u003c\/strong\u003e: \u003cspan\u003e4757\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompatible Spring Cup (O.D. Locator)\u003c\/strong\u003e: \u003cspan\u003e4704-1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDamper\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInner Spring Inside Diameter\u003c\/strong\u003e: \u003cspan\u003e0.7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNumber of Springs\u003c\/strong\u003e: \u003cspan\u003e2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOuter Spring Inside Diameter\u003c\/strong\u003e: \u003cspan\u003e1.06\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOuter Spring Outside Diameter\u003c\/strong\u003e: \u003cspan\u003e1.46\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeat Height\u003c\/strong\u003e: \u003cspan\u003e1.85\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeat Pressure\u003c\/strong\u003e: \u003cspan\u003e155\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpring Rate\u003c\/strong\u003e: \u003cspan\u003e441\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB00062YHCE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes, but must be a race\/competition only vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eNo impact on pollution output of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. E.O. Number\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49960197685526,"sku":"COMP-977-1","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_4592086bb95a1e654236d167ab1cd8a6_normalized.jpg?v=1776739361","url":"https:\/\/www.cspracing.com\/products\/comp-cams-977-1-valve-spring-for-972-973","provider":"Complete Street Performance","version":"1.0","type":"link"}