{"product_id":"cca-camshafts-165","title":"COMP Cams 20-600-9 - Thumpr 227\/241 Hydraulic Roller Cam for Chrysler 273-360","description":"\u003cp\u003eDesigned to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration:\u003c\/strong\u003e 303 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Intake Duration:\u003c\/strong\u003e 283 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmazon ASIN:\u003c\/strong\u003e B001GBPKHK\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 1,900-5,600 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 and Lifter Kit Upgrade:\u003c\/strong\u003e CL20-600-9\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 1-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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Chrysler 273-360 c.i. 8 Cylinder (1964-2002)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift:\u003c\/strong\u003e 241 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve Lift:\u003c\/strong\u003e 0.498 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrind Number:\u003c\/strong\u003e 283THR7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift:\u003c\/strong\u003e 227 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve Lift:\u003c\/strong\u003e 0.513 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK-Kit Upgrade:\u003c\/strong\u003e K20-600-9\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 107 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsage:\u003c\/strong\u003e Street\/Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Springs Required:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":45357545488519,"sku":"COM20-600-9","price":890.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/20-600-9.jpg?v=1788268137","url":"https:\/\/checkout.northernperformance.ca\/products\/cca-camshafts-165","provider":"Northern Performance","version":"1.0","type":"link"}