Comp Cams  Magnum  Mechanical Flat Tappet Camshafts
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COMP CAMSPART NUMBER: 249-SK11-604-5

Comp Cams Magnum Mechanical Flat Tappet Camshafts

$51095
ShippingShips on 09/11/2026
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Chevy 396-454ci Big Block 1965-96
  • Marine
    • Magnum Marine 294B Mechanical Flat Tappet Camshaft Small Kit
      Lift: .580''/.605''
      Duration: 294°/304°
      Lobe Separation Angle: 108°
      RPM Range: 3500-6500


      *Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

      Use in 396-427 c.i., heavy car, 3500+ stall & 10.5:1 compression. Marine - Excellent for jet boat A or B impeller. 427-454ci 10:1 compression.

      Operating Range:3500-6500 RPM
      Duration Advertised:294° Intake / 304° Exhaust
      Duration @ .050' Lift:256° Intake / 266° Exhaust
      Valve Lift w/1.7 Rockers:.580' Intake / .605' Exhaust
      Valve Setting:.028' Intake / .030' Exhaust
      Lobe Separation Angle:108°

      Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


      Use in 396-427c.i., heavy car, 3500+ stall and 10.5:1+ compression. Excellent for jet boat, A or B impeller. 427-454c.i., 10:1+ compression.

    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 Height5.0
    Package Width10.25
    Package Length25.5
    Weight22.0 PG
    Part CategoryPerformance Parts
    UsageMarine
    Intake Valve Lift0.58 in (14.732 mm)
    Int. Duration Advertised (Deg)294
    Exh. Duration @ .050 In. (Deg)266
    Rpm Range3500-6500
    Lifter TypeMechanical Flat Tappet
    Exh. Duration Advertised (Deg)304
    Part FitmentSemi Universal
    Engine Make/SizeChevy Big Block (396-454)
    Int. Duration @ .050 In. (Deg)256
    Exhaust Valve Lift0.605 in (15.367 mm)
    Vendor Part NumberSK11-604-5
    Package Qty1
    Package TypeEA
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