Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Big Block 396-454ci 1965-96 Lift: .575"/.595"

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K11-568-4

Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Big Block 396-454ci 1965-96 Lift: .575"/.595"

Name: Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Big Block 396-454ci 1965-96 Lift: .575"/.595"
Brand: COMP CAMS
SKU: 249-K11-568-4
Price: 744.95 USD
Availability: InStock

^$744⁹⁵

Ships on 10/23/2026

Lowest Price Guarantee

Chevy Big Block 396-454ci 1965-96

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.

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 Width10.3

Package Length25.5

Weight26.07 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 IncludedYes

Engine Make/SizeChevy Big Block (396-454)

Retainers IncludedYes

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 IncludedYes

UsageStreet/Strip

Valve Lift With Factory Rocker Arm Ratio0.575 int./0.595 exh.

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lift0.595 in (15.113 mm)

Advertised Intake Duration284

Outside Diameter Of Outer Spring1.509 in (38.3 mm)

Intake Duration At 050 Inch Lift240

Exhaust Duration At 050 Inch Lift253

Timing Chain StyleDouble non-roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration305

Lifter TypeHydraulic Flat Tappet

Part FitmentSemi Universal

Duration At 050 Inch Lift240 int./253 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK11-568-4

Package Qty1

Package TypeEA

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