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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-693-8
Magnum Mechanical Roller Camshaft Chevy Big Block 396-454ci 1965-96 Lift: .652"/.652"
$57795
Ships on 09/15/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Magnum Mechanical Roller Camshaft
- Lift: .652"/.652"
- Duration: 308°/308°
- Lobe Separation Angle: 110°
- RPM Range: 3000-7200
- 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
Ultimate Pro Street cam. 10.5:1+ compression, 3500+ stall or 4 speed. 4.10 gear.
Chevy Big Block 396-454ci 1965-96
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 Height4.0
Package Width6.2
Package Length24.9
Weight10.19 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)264
Cam StyleMechanical roller tappet
Grind NumberCB 308A-R10
Exh. Duration Advertised (Deg)308
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.652
Int. Duration @ .050 In. (Deg)264
Basic Operating Rpm Range3,000-7,200
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.652 in (16.561 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)308
Lobe Separation (Deg)110
Rpm Range3000-7200
Advertised Duration308 int./308 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.652
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.652 int./0.652 exh.
QuantitySold individually
Exhaust Valve Lash0.02 in (0.508 mm)
Exhaust Valve Lift0.652 in (16.561 mm)
Advertised Intake Duration308
Intake Duration At 050 Inch Lift262
Exhaust Duration At 050 Inch Lift262
Advertised Exhaust Duration308
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift262 int./262 exh.
Valve Springs RequiredYes
Vendor Part Number11-693-8
Package Qty1
Package TypeEA
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