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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-677-4
Xtreme Energy Mechanical Flat Camshaft Small Kit Lift: .568"/.578"
$50395
Ships on 10/20/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Xtreme Energy Mechanical Flat Camshaft Small Kit
- Lift: .568"/.578"
- Duration: 274°/280°
- Lobe Separation Angle: 110°
- RPM Range 2000-6400
- Very strong mid-range torque & throttle response, 2500+ stall
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
Very strong mid-range torque and throttle response, 2500+ stall.
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 Height5.1
Package Width10.6
Package Length25.3
Weight19.76 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.568 in (14.427 mm)
Int. Duration Advertised (Deg)274
Exh. Duration @ .050 In. (Deg)242
Rpm Range2000-6400
Lifter TypeMechanical Flat Tappet
Exh. Duration Advertised (Deg)280
Engine Make/SizeChevy Big Block (396-454)
Int. Duration @ .050 In. (Deg)236
Exhaust Valve Lift0.578 in (14.681 mm)
Vendor Part NumberSK11-677-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
