{"product_id":"ultra-pro-magnum-1-8-ratio-rocker-arm-set-for-gm-ls3-w-3-8-stud","title":"Ultra Pro Magnum 1.8 Ratio Rocker Arm Set For GM LS3 W\/ 3\/8\" Stud","description":"New LS-Specific Ultra Pro Magnumâ„¢ Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift without The Need To Swap Cams. As LS engines continue to grow in popularity, COMP Cams has expanded its line of Rocker arms to build components specific to LS Applications.\r\n\u0026lt;ul\u0026gt;\r\n\u0026lt;li\u0026gt;LS3\/L99\/L76 - Rectangle Port Head LS Applications\u0026lt;\/li\u0026gt;\r\n\u0026lt;li\u0026gt;Set Of 16 Stud Mount Rockers - Includes Poly Locks - Requires 3\/8\" Studs \u0026amp; Guide Plates - GM LS Flat - 5\/16\" Pushrod Diameter\u0026lt;\/li\u0026gt;\r\n\u0026lt;li\u0026gt;1.8:1 Ratio\u0026lt;\/li\u0026gt;\r\n\u0026lt;\/ul\u0026gt;\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eCOMP Cams\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00036584213703\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAmazon ASIN: \u003c\/b\u003eB0066SWDKA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. E.O. Number: \u003c\/b\u003eN\/A\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: \u003c\/b\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: \u003c\/b\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: \u003c\/b\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exempt for On-Road Vehicles?: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: \u003c\/b\u003eYes, but must be a race\/competition only vehicle.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eC.A.R.B. Exemption Reason: \u003c\/b\u003eN\/A\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEngine Family: \u003c\/b\u003eLS3 (Factory Offset)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eMaximum Valve Spring Open Pressure: \u003c\/b\u003e850\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRocker Arm Material: \u003c\/b\u003e8650 Chromemoly Steel\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRocker Arm Ratio: \u003c\/b\u003e1.8\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRocker Arm Series: \u003c\/b\u003eUltra Pro Magnum\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRocker Stud Diameter: \u003c\/b\u003e3\/8\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eUS\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eCARB Eligible\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eKT\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e12.8 x 4 x 3.7 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e8.8185 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":44707253289005,"sku":"BDQQ-1676-16","price":1191.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/1676-16.jpg?v=1773361475","url":"https:\/\/montgomeryparts.com\/products\/ultra-pro-magnum-1-8-ratio-rocker-arm-set-for-gm-ls3-w-3-8-stud","provider":"Montgomery Parts","version":"1.0","type":"link"}