Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K01-424-8

Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts

Name: Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts
Brand: COMP CAMS
SKU: 249-K01-424-8
Price: 1729.95 USD
Availability: InStock

^$1,729⁹⁵

Ships on 10/19/2026

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Chevrolet Gen VI Big Block 454ci & 502 c.i. 8 CYL. 1996-1999

Lift:

Duration:

Lobe Separation Angle:

RPM Range:

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

Best for serious street/ strip use with 10.5:1+ compression and 3000+ stall. Needs good intake, headers and ported heads.

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

Weight27.0 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)248

Cam StyleHydraulic roller tappet

Grind NumberXR294HR

Exh. Duration Advertised (Deg)300

Locks IncludedYes

Engine Make/SizeChevy Gen VI 454

Retainers IncludedYes

Intake Valve Lift With Factory Rocker Arm Ratio (I0.54

Int. Duration @ .050 In. (Deg)242

Assembly Lubricant IncludedNo

Basic Operating Rpm Range2,800-6,200

Pushrods IncludedNo

Gaskets IncludedNo

Rocker Arms IncludedNo

Intake Valve Lift0.54 in (13.716 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)292

Lobe Separation (Deg)110

Rpm Range2800-6200

Lifter StyleHydraulic roller

Advertised Duration294 int./300 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.56

Valve Springs IncludedYes

UsageStreet/Performance

Valve Lift With Factory Rocker Arm Ratio0.540 int./0.560 exh.

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lift0.56 in (14.224 mm)

Advertised Intake Duration294

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

Intake Duration At 050 Inch Lift242

Exhaust Duration At 050 Inch Lift248

Timing Chain StyleDouble roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration300

Lifter TypeHydraulic Roller

Duration At 050 Inch Lift242 int./248 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK01-424-8

Package Qty1

Package TypeEA

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