{"product_id":"stage-1-thumpr-cam-kit-for-gen-iv-ls-4-8-5-3-6-0l-trucks","title":"COMP Cams CK54-701-11 - Stage 1 Thumpr Cam Kit for GEN IV LS 4.8\/5.3\/6.0L Trucks","description":"\u003cp\u003eThe Stage 1 Thumpr Cam Kit for LS GEN IV 4.8-6.0L is the perfect choice for a strong idle lope with great power gains in 4.8-5.3L trucks. Includes pushrods, LS6+ springs, retainers, locks, spring seats and seals.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration:\u003c\/strong\u003e 295 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Intake Duration:\u003c\/strong\u003e 276 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmazon ASIN:\u003c\/strong\u003e B07MC8XLDF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Lubricant Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic Operating RPM Range:\u003c\/strong\u003e 1,800-6,400 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:\u003c\/strong\u003e Yes, but must meet tailpipe emission standards for year of vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:\u003c\/strong\u003e Yes, but must be a race\/competition only vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCam Type:\u003c\/strong\u003e Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamshaft Gear Attachment:\u003c\/strong\u003e 3-Bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamshaft Material:\u003c\/strong\u003e Billet Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamshaft Series:\u003c\/strong\u003e Thumpr NSR (No Springs Required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e GM LS GEN III\/IV 3-Bolt 8 Cylinder (1997-2015)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Horsepower Gain with Kit:\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift:\u003c\/strong\u003e 233 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve Lift:\u003c\/strong\u003e 0.536 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaskets Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrind Number:\u003c\/strong\u003e 276LTH12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift:\u003c\/strong\u003e 222 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve Lift:\u003c\/strong\u003e 0.541 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Type:\u003c\/strong\u003e CK-Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifter Type:\u003c\/strong\u003e Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifters Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobe Separation:\u003c\/strong\u003e 112 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocks Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePushrods Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Cam Install Kit:\u003c\/strong\u003e 5621\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Max-Lift BSR Shaft Rocker System:\u003c\/strong\u003e 1981-16\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":45517147832455,"sku":"COMCK54-701-11","price":1455.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/COMP_LST_20Cams_20CK_20KIT_3f35075d-ba9a-4c47-aa1d-67b48185d9ed.jpg?v=1788268226","url":"https:\/\/checkout.northernperformance.ca\/products\/stage-1-thumpr-cam-kit-for-gen-iv-ls-4-8-5-3-6-0l-trucks","provider":"Northern Performance","version":"1.0","type":"link"}