{"product_id":"stage-1-thumpr-cam-kit-for-gen-iii-ls-4-8-5-3-6-0l-trucks","title":"Stage 1 Thumpr Cam Kit For GEN III LS 4.8\/5.3\/6.0L Trucks","description":"Stage 1 Thumpr 218\/229 Hydraulic Roller Cam\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\u003e00036584387589\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAdvertised Exhaust Duration: \u003c\/b\u003e291\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAdvertised Intake Duration: \u003c\/b\u003e272\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAmazon ASIN: \u003c\/b\u003eB07MQBDD48\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAssembly Lubricant Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eBasic Operating RPM Range: \u003c\/b\u003e1,500-6,300\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\u003eCam Type: \u003c\/b\u003eHydraulic Roller\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCamshaft Gear Attachment: \u003c\/b\u003e3-Bolt\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCamshaft Material: \u003c\/b\u003eBillet Steel\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCamshaft Series: \u003c\/b\u003eThumpr NSR (No Springs Required)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEngine Family: \u003c\/b\u003eGM LS GEN III\/IV 3-Bolt 8 Cylinder (1997-2015)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEstimated Horsepower Gain with Kit: \u003c\/b\u003e68\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Duration at .050 inch Lift: \u003c\/b\u003e229\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Lift: \u003c\/b\u003e0.606\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGaskets Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGrind Number: \u003c\/b\u003e272LTH11\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Duration at .050 Inch Lift: \u003c\/b\u003e218\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Valve Lift: \u003c\/b\u003e0.614\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eKit Type: \u003c\/b\u003eCK-Kit\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eLifter Type: \u003c\/b\u003eHydraulic Roller\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eLifters Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eLobe Separation: \u003c\/b\u003e111\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eLocks Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePushrods Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRecommended Cam Install Kit: \u003c\/b\u003e5621\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRecommended Max-Lift BSR Shaft Rocker System: \u003c\/b\u003e1981-16\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRecommended Upgraded Stock Rocker Arms: \u003c\/b\u003e1477-16\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRetainers Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eStage: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eTiming Set Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eUsage: \u003c\/b\u003eStreet \/ Performance\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Seals Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Seats Included: \u003c\/b\u003eYes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Springs Included: \u003c\/b\u003eYes\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\u003eEPA 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\u003e26 x 10.5 x 5.5 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e18.75 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":44632529895469,"sku":"BDQQ-CK54-700-11","price":1731.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/COMP_LST_20Cams_20CK_20KIT_09d10257-f052-4dbb-a2a9-21c81222f96e.jpg?v=1771761034","url":"https:\/\/montgomeryparts.com\/products\/stage-1-thumpr-cam-kit-for-gen-iii-ls-4-8-5-3-6-0l-trucks","provider":"Montgomery Parts","version":"1.0","type":"link"}