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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K11-674-4
Xtreme Energy Mechanical Flat Camshaft Complete Kit Lift: .527"/.532"
$67295
Ships on 09/14/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Xtreme Energy Mechanical Flat Camshaft Complete Kit
- Lift: .527"/.532"
- Duration: 256°/262°
- Lobe Separation Angle: 110°
- RPM Range 1000-5600
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 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
Strong torque through low end and mid-range, good idle.
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
Weight29.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleMechanical flat tappet
Grind NumberXS256S
Exh. Duration Advertised (Deg)262
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.527
Int. Duration @ .050 In. (Deg)218
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,000-5,600
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.016 in (0.406 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.527 in (13.386 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)110
Rpm Range1000-5600
Lifter StyleMechanical flat tappet
Advertised Duration256 int./262 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.532
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.527 int./0.532 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.016 in (0.406 mm)
Exhaust Valve Lift0.532 in (13.513 mm)
Advertised Intake Duration256
Outside Diameter Of Outer Spring1.525 in (38.7 mm)
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift224
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration262
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift218 int./224 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK11-674-4
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
