Magnum Mechanical Roller Camshaft Chevy Big Block 396-454ci 1965-96 Lift: .623"/.623"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-11-692-8

Magnum Mechanical Roller Camshaft Chevy Big Block 396-454ci 1965-96 Lift: .623"/.623"

$57795
1 left in stock
ShippingShips on Sep 14, 2026
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Chevy Big Block 396-454ci 1965-96
    Magnum Mechanical Roller Camshaft
    Chevy Big Block 396-454ci 1965-96
  • Lift: .623"/.623"
  • Duration: 288°/288°
  • Lobe Separation Angle: 110°
  • RPM Range: 2200-6500

  • Cams Are Very Aggressive
  • Designed For Performance Oriented Vehicles
  • Deliver More Power Than Standard Camshafts
  • 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


    Great all around power. 3000+ stall with lower gear. Use headers and 9.5:1+ compression. Rough 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
BrandCOMP CAMS
Package Height2.75
Package Width3.0
Package Length24.5
Weight10.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)246
Cam StyleMechanical roller tappet
Grind NumberCB 288A-R10
Exh. Duration Advertised (Deg)288
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.622
Int. Duration @ .050 In. (Deg)246
Basic Operating Rpm Range2,200-6,500
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.623 in (15.824 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)288
Lobe Separation (Deg)110
Rpm Range2200-6500
Advertised Duration288 int./288 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.622
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.622 int./0.622 exh.
QuantitySold individually
Exhaust Valve Lash0.02 in (0.508 mm)
Exhaust Valve Lift0.623 in (15.824 mm)
Advertised Intake Duration288
Intake Duration At 050 Inch Lift246
Exhaust Duration At 050 Inch Lift246
Advertised Exhaust Duration288
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift246 int./246 exh.
Valve Springs RequiredYes
Vendor Part Number11-692-8
Package Qty1
Package TypeEA
No Questions
No Reviews

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