Comp Cams  Xtreme Energy  Hydraulic Roller Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL01-425-8

Comp Cams Xtreme Energy Hydraulic Roller Camshafts

$85795
ShippingShips on 10/19/2026
Lowest PriceLowest Price Guarantee

Chevrolet Gen VI Big Block 454ci & 502 c.i. 8 CYL. 1996-1999
    Xtreme Energy XR300HR Hydraulic Roller Camshaft & Lifter Kit
    Lift: .560"/.580"
    Duration: 300/306
    Lobe Separation Angle: 110°
    RPM Range: 3000-6400

  • 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


    Good for Pro Street and bracket racing. Needs 10.5:1+compression, 3500+ stall, very good intake, headers with low gears.

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 Height3.0
Package Width6.5
Package Length26.0
Weight14.5 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.56 in (14.224 mm)
Int. Duration Advertised (Deg)300
Exh. Duration @ .050 In. (Deg)254
Rpm Range3000-6400
Lifter TypeHydraulic Roller
Exh. Duration Advertised (Deg)306
Part FitmentSemi Universal
Engine Make/SizeChevy Big Block (396-502)
Int. Duration @ .050 In. (Deg)248
Exhaust Valve Lift0.58 in (14.732 mm)
Vendor Part NumberCL01-425-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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