{"product_id":"comp-cams-thumpr-retrofit-hydraulic-roller-cam-and-lifter-kits-k11-600-8","title":"COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits K11-600-8","description":"Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine's nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.Brand: COMP Cams\u003cbr\u003eManufacturer's Part Number: K11-600-8\u003cbr\u003ePart Type: Camshaft Kits\u003cbr\u003eProduct Line: COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits\u003cbr\u003eHP Direct Part Number: CCA-K11-600-8\u003cbr\u003eUPC: 036584153498\u003cbr\u003eCam Style: Hydraulic roller, Retro-fit\u003cbr\u003eBasic Operating RPM Range: 1,700-5,500\u003cbr\u003eCamshaft Use: Street\/Strip\u003cbr\u003eIntake Duration at 050 inch Lift: 227\u003cbr\u003eExhaust Duration at 050 inch Lift: 241\u003cbr\u003eDuration at 050 inch Lift: 227 int.\/241 exh.\u003cbr\u003eAdvertised Intake Duration: 283\u003cbr\u003eAdvertised Exhaust Duration: 303\u003cbr\u003eAdvertised Duration: 283 int.\/303 exh.\u003cbr\u003eIntake Valve Lift with Factory Rocker Arm Ratio: 0.547 in.\u003cbr\u003eExhaust Valve Lift with Factory Rocker Arm Ratio: 0.530 in.\u003cbr\u003eValve Lift with Factory Rocker Arm Ratio: 0.547 int.\/0.530 exh.\u003cbr\u003eLobe Separation (degrees): 107\u003cbr\u003eGrind Number: 283THR7\u003cbr\u003eComputer-Controlled Compatible: No\u003cbr\u003eLifters Included: Yes\u003cbr\u003eLifter Style: Hydraulic roller\u003cbr\u003eValve Springs Included: Yes\u003cbr\u003eOutside Diameter of Outer Spring (in.): 1.509 in.\u003cbr\u003eRetainers Included: Yes\u003cbr\u003eLocks Included: Yes\u003cbr\u003eValve Stem Seals Included: Yes\u003cbr\u003eTiming Chain and Gears Included: Yes\u003cbr\u003eTiming Chain Style: Double roller\u003cbr\u003eAssembly Lubricant Included: No\u003cbr\u003ePushrods Included: Yes\u003cbr\u003eRocker Arms Included: No\u003cbr\u003eGaskets Included: No\u003cbr\u003eValve Springs Required: No\u003cbr\u003eQuantity: Sold as a kit.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49864324219155,"sku":"CCA-K11-600-8","price":3617.25,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/8195\/0995\/files\/cca-k11-600-8.jpg?v=1727670763","url":"https:\/\/www.horsepowerdirect.co.nz\/products\/comp-cams-thumpr-retrofit-hydraulic-roller-cam-and-lifter-kits-k11-600-8","provider":"Horsepower Direct","version":"1.0","type":"link"}