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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-560-4
Nitrous HP Hydraulic Flat Tappet Camshaft Chevy Big Block 396-454ci 1965-96 Lift: .515"/.547"
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Nitrous HP Hydraulic Flat Tappet Camshaft
- Lift: .515"/.547"
- Duration: 268°/286°
- Lobe Separation Angle: 113°
- RPM Range: 2000-6200
Street Machines with 125+ nitrous kit, needs 2000+ stall, 3.73 gear, has choppy idle.Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Street machines with 125+ hp nitrous kit, needs 2000+ stall, 3.73 gear, choppy idle.
Chevy Big Block 396-454ci 1965-96
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.
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Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width3.0
Package Length24.1
Weight10.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberNX268H
Exh. Duration Advertised (Deg)286
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.515
Int. Duration @ .050 In. (Deg)224
Basic Operating Rpm Range2,000-6,200
Intake Valve Lift0.515 in (13.081 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)113
Rpm Range2000-6200
Advertised Duration268 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.547
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.515 int./0.547 exh.
QuantitySold individually
Exhaust Valve Lift0.547 in (13.894 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration286
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift224 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number11-560-4
Package Qty1
Package TypeEA
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