Thumpr Hydraulic Roller Camshaft & Lifter Kit Lift: .547"/.530"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL01-600-8

Thumpr Hydraulic Roller Camshaft & Lifter Kit Lift: .547"/.530"

$85795
ShippingShips on 10/20/2026
Lowest PriceLowest Price Guarantee

Chevy Gen VI 454 & 502 ci Big Block 1969-99
  • Thumpr
    • Thumpr Hydraulic Roller Camshaft & Lifter Kit
    • Lift: .547"/.530"
    • Duration: 283°/303°
    • Lobe Separation Angle: 107°
    • RPM Range: 1900-5600

    • 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, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Part TypeCamshaft Kit
    BrandCOMP CAMS
    Package Height3.0
    Package Width5.5
    Package Length26.0
    Weight18.0 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)241
    Cam StyleHydraulic roller tappet
    Grind Number283THR7
    Exh. Duration Advertised (Deg)303
    Locks IncludedNo
    Engine Make/SizeChevy Gen VI 454
    Retainers IncludedNo
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.547
    Int. Duration @ .050 In. (Deg)227
    Assembly Lubricant IncludedNo
    Basic Operating Rpm Range1,900-5,600
    Pushrods IncludedNo
    Gaskets IncludedNo
    Rocker Arms IncludedNo
    Intake Valve Lift0.547 in (13.894 mm)
    Computer-Controlled CompatibleNo
    Int. Duration Advertised (Deg)283
    Lobe Separation (Deg)107
    Rpm Range1900-5600
    Lifter StyleHydraulic roller
    Advertised Duration283 int./303 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.53
    Valve Springs IncludedNo
    UsageStreet/Hi-Performance
    Valve Lift With Factory Rocker Arm Ratio0.547 int./0.530 exh.
    QuantitySold as a kit
    Valve Stem Seals IncludedNo
    Exhaust Valve Lift0.53 in (13.462 mm)
    Advertised Intake Duration283
    Intake Duration At 050 Inch Lift227
    Exhaust Duration At 050 Inch Lift241
    Timing Chain And Gears IncludedNo
    Advertised Exhaust Duration303
    Lifter TypeHydraulic Roller
    Duration At 050 Inch Lift227 int./241 exh.
    Valve Springs RequiredYes
    Lifters IncludedYes
    Vendor Part NumberCL01-600-8
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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