COMP Cams Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .510"/.495" Duration 287/304 RPM Range 2000 to 5900
249-CL11-601-4
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Chevy 396-454ci Big Block 1965-96
- Camshaft And Lifter Kit
- 3 Grinds To Fit All Of Your Performance Needs
- Long Exhaust Duration
- Produces A Powerful Hard-Hitting Exhaust Note
- Excellent Horsepower Gains And Broad Torque Curve
- Delivers Real Seat Of The Pants Performance
- Designed For Use w/Latest In ValveTrain Components
- 1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.Specifications:
Part TypeProduct LineAdvertised Duration287 int./304 exh.Advertised Exhaust Duration304Advertised Intake Duration287Assembly Lubricant IncludedYesBasic Operating RPM Range2,000-5,900Cam StyleHydraulic flat tappetComputer-Controlled CompatibleNoDuration at 050 inch Lift235 int./249 exh.Engine Make/SizeChevy Big Block (396-454)Exh. Duration @ .050 in. (Deg)249Exh. Duration Advertised (Deg)305Exhaust Duration at 050 inch Lift249Exhaust Valve Lift0.495 in (12.573 mm)Exhaust Valve Lift with Factory Rocker Arm Ratio (0.495Gaskets IncludedNoGrind Number287TH7Int. Duration @ .050 in. (Deg)235Int. Duration Advertised (Deg)287Intake Duration at 050 inch Lift235Intake Valve Lift0.51 in (12.954 mm)Intake Valve Lift with Factory Rocker Arm Ratio (i0.51Lifter StyleHydraulic flat tappetLifter TypeHydraulic Flat TappetLifters IncludedYesLobe Separation (Deg)107Locks IncludedNoPackage Depth3.00Package Height25.40Package Width5.60Part CategoryPerformance PartsPushrods IncludedNoQuantitySold as a kitRPM Range2000-5900Retainers IncludedNoRocker Arms IncludedNoShipping Weight15.16Timing Chain and Gears IncludedNoUsageStreet/StripValve Lift with Factory Rocker Arm Ratio0.510 int./0.495 exh.Valve Springs IncludedNoValve Springs RequiredYesValve Stem Seals IncludedNoVendor Part NumberCL11-601-4 - Camshaft And Lifter Kit
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