{"product_id":"comp-cams-54-428-11-camshaft-ls1-xr281hr-12","title":"COMP Cams 54-428-11 - Camshaft LS1 XR281HR-12","description":"\u003cp\u003eCOMP Cams 54-428-11 - Camshaft LS1 XR281HR-12\u003c\/p\u003e\u003cp\u003eCamshaft - XFI RPM Hi-Lift - Hydraulic Roller - Lift 0.571 \/ 0.573 in - Duration 281 \/ 283 - 112 LSA - 2200 \/ 7200 RPM - GM LS-Series - Each\u003c\/p\u003e\u003cp\u003eHigh RPM street\/strip camshaft for use with FAST LSX intake. Requires programmer.\u003c\/p\u003e\u003cp\u003eXFI RPM HI-Lift 228\/230 Hydraulic Roller Cam\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.573\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifters Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Springs Required\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAssembly Lubricant Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Gear Attachment\u003c\/strong\u003e: \u003cspan\u003e3-Bolt\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Material\u003c\/strong\u003e: \u003cspan\u003eBillet Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eGM LS GEN III\/IV 3-Bolt 8 Cylinder (1997-2015)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam and Lifter Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eCL54-428-11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eK-Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eK54-428-11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifter Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB0014F6FOK\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\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eXR281HR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Series\u003c\/strong\u003e: \u003cspan\u003eXFI RPM Hi-Lift\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eXR281HR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e: \u003cspan\u003e2,200-7,200\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift\u003c\/strong\u003e: \u003cspan\u003e228\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift\u003c\/strong\u003e: \u003cspan\u003e230\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Intake Duration\u003c\/strong\u003e: \u003cspan\u003e281\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration\u003c\/strong\u003e: \u003cspan\u003e283\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLobe Separation\u003c\/strong\u003e: \u003cspan\u003e112\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.571\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47322994507914,"sku":"COMP-54-428-11","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_54-3-boltlsmsefront_normalized_77b2c700-8325-4c30-a05d-5baa99e8567e.jpg?v=1776288369","url":"https:\/\/www.onlyinstock.com\/products\/comp-cams-54-428-11-camshaft-ls1-xr281hr-12","provider":"Only In Stock","version":"1.0","type":"link"}