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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-607-5
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$48095
Ships on 10/19/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96Marine
- Magnum Marine 320B Mechanical Flat Tappet Camshaft Small Kit
- For use in large engine
- Flat or hydro
- Use tunnel ram
- 11.5:1 compression
Installation Note: Stock springs cannot be used
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
For use in large engine. Flat or hydro. Use tunnel ram. 11.5:1+ compression.
Lift: .638"/.656"
Duration: 320°/324°
Lobe Separation Angle: 110°
RPM Range 4500-7500
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 Lift0.638 in (16.205 mm)
Int. Duration Advertised (Deg)320
Exh. Duration @ .050 In. (Deg)286
Rpm Range4500-7500
Lifter TypeMechanical Flat Tappet
Exh. Duration Advertised (Deg)324
Part FitmentSemi Universal
Engine Make/SizeChevy Big Block (396-454)
Int. Duration @ .050 In. (Deg)280
Exhaust Valve Lift0.656 in (16.662 mm)
Vendor Part NumberSK11-607-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
