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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL11-604-5
Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts
$48295
Ships on 10/19/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96Marine
- Magnum Marine 294B Mechanical Flat Tappet Camshaft & Lifter Kit
- 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
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.
Lift: .580"/.605"
Duration: 294°/304°
Lobe Separtation Angle: 108°
RPM Range: 3500-6500
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 Length25.5
Weight14.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)266
Cam StyleMechanical flat tappet
Grind Number294B
Exh. Duration Advertised (Deg)304
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.58
Int. Duration @ .050 In. (Deg)256
Assembly Lubricant IncludedNo
Basic Operating Rpm Range3,500-6,500
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.028 in (0.711 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.58 in (14.732 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)294
Lobe Separation (Deg)108
Rpm Range3500-6500
Lifter StyleMechanical flat tappet
Advertised Duration294 int./304 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.605
Valve Springs IncludedNo
UsageMarine
Valve Lift With Factory Rocker Arm Ratio0.580 int./0.605 exh.
Camshaft Gear Attachment3-bolt
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lash0.03 in (0.762 mm)
Exhaust Valve Lift0.605 in (15.367 mm)
Advertised Intake Duration294
Intake Duration At 050 Inch Lift256
Exhaust Duration At 050 Inch Lift266
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration304
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift256 int./266 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL11-604-5
Package Qty1
Package TypeEA
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