{"product_id":"comp-cams-1521cpg-shaft-rocker-system-for-gm-l9","title":"COMP Cams 1521CPG - Shaft Rocker System For GM L9","description":"\u003cp\u003eCOMP Cams 1521CPG - Shaft Rocker System For GM L9\u003c\/p\u003e\u003cp\u003eRocker Arm - COMP - Shaft Mount - 1.70 Ratio - Full Roller - Aluminum - Natural - GM LS-Series - Kit\u003c\/p\u003e\u003cp\u003eWith a 2024 aluminum rocker and 8620 hardened steel shaft, this shaft-mount rocker system adds stability to the engine which frees up  horsepower. This system features 1.7 ratio rockers with factory offsets for GM LS3 and L92.\u003c\/p\u003e\u003cp\u003eUsing COMP Shaft Mount Rocker Systems is one of the most effective ways to increase horsepower. These systems transfer power from the Camshaft to the valve by properly positioning the Rocker over the valve. Rather than being mounted on a Stud, a horizontal shaft works as the fulcrum, which significantly increases mounting stiffness and valve train stability. Constructed from high strength 2024 aluminum and using an 8620 hardened Steel shaft, COMP shaft Rockers are designed using the latest in computer Technology and are field tested by experts in every type of racing.\r\n\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003eRigidity of the shaft system adds stability to the cylinder head and the valve train\u003c\/li\u003e\r\n\u003cli\u003eMost efficient way to transfer the power of the Camshaft to the valve\u003c\/li\u003e\r\n\u003cli\u003eMade from 2024 aluminum and mounted on an 8620 hardened Steel shaft\u003c\/li\u003e\r\n\u003cli\u003eDesigned using the latest in computer Technology\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eLS3\/L92\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Offset\u003c\/strong\u003e: \u003cspan\u003e0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e1.7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Offset\u003c\/strong\u003e: \u003cspan\u003e0.215\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Rocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e1.7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Material\u003c\/strong\u003e: \u003cspan\u003e2024 Aluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Series\u003c\/strong\u003e: \u003cspan\u003eShaft-Mount Aluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Stud Diameter\u003c\/strong\u003e: \u003cspan\u003eShaft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB002EDWS0G\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\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eN\/A\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":49928342700310,"sku":"COMP-1521CPG","price":2069.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_0d55aa1c-c75b-4ebf-b8a8-1c37d9b38c86-800_normalized.jpg?v=1776753897","url":"https:\/\/www.cspracing.com\/products\/comp-cams-1521cpg-shaft-rocker-system-for-gm-l9","provider":"Complete Street Performance","version":"1.0","type":"link"}