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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-551-5
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$51095
Ships on 09/11/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96Marine
- Magnum Marine 280S Mechanical Flat Tappet Camshaft Small Kit
- Jet boat with A or B impeller
- Skiing, pleasure, performance
Installation Note: Stock springs cannot be used.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Jet boat with A or B impeller. Skiing, pleasure, performance.
Lift: .575"/.604"
Duration: 280°/285°
Lobe Separation Angle: 110°
RPM Range 2800-6300
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 Lift0.575 in (14.605 mm)
Int. Duration Advertised (Deg)280
Exh. Duration @ .050 In. (Deg)250
Rpm Range2800-6300
Lifter TypeMechanical Flat Tappet
Exh. Duration Advertised (Deg)285
Part FitmentSemi Universal
Engine Make/SizeChevy Big Block (396-454)
Int. Duration @ .050 In. (Deg)242
Exhaust Valve Lift0.604 in (15.342 mm)
Vendor Part NumberSK11-551-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
