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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL11-568-4
Nitrous HP Hydraulic Flat Tappet Camshaft and Lifter Kit Chevy Big Block 396-454ci 1965-96 Lift: .575"/.595"
$39795
Ships on 10/23/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Nitrous HP Hydraulic Flat Tappet Camshaft and Lifter Kit
- Lift: .575"/.595"
- Duration: 284°/305°
- Lobe Separation Angle: 113°
- RPM Range: 2800-6800
Pro Street applications with multi-stage nitrous kits or 671 blower and Vortec Supercharger and 3000 stall.Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Pro Street applications w/ multi-stage nitrous kits, 671 blower or Vortec Supercharger and 3000+ stall.
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 Kit
BrandCOMP CAMS
Package Height3.2
Package Width5.3
Package Length25.2
Weight14.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)253
Cam StyleHydraulic flat tappet
Grind NumberCB NX 284H-13
Exh. Duration Advertised (Deg)305
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.575
Int. Duration @ .050 In. (Deg)240
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,800-6,800
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.575 in (14.605 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)284
Lobe Separation (Deg)113
Rpm Range2800-6800
Lifter StyleHydraulic flat tappet
Advertised Duration284 int./305 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.595
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.575 int./0.595 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.595 in (15.113 mm)
Advertised Intake Duration284
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift253
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration305
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift240 int./253 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL11-568-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
