Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL01-421-8

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 XR288HR Hydraulic Roller Camshaft & Lifter Kit
    Lift: .521"/.540"
    Duration: 288/294
    Lobe Separation Angle: 110°
    RPM Range: 2500-6000

  • 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


    Street/strip applications with 10:1+ compression and 2800+ stall. Rough idle, needs good intake and headers.

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 Lift0.521 in (13.233 mm)
Int. Duration Advertised (Deg)288
Exh. Duration @ .050 In. (Deg)242
Rpm Range2500-6000
Lifter TypeHydraulic Roller
Exh. Duration Advertised (Deg)294
Engine Make/SizeChevy Big Block (396-502)
Int. Duration @ .050 In. (Deg)236
Exhaust Valve Lift0.54 in (13.716 mm)
Vendor Part NumberCL01-421-8
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

Valvetrain Checking Springs Light tension springs

JEGS

Valvetrain Checking Springs Light tension springs

Part Number : 555-80523
$839$8.99
You Save$0.60
Adjustable Timing Set Big Block Chevy Gen VI 454-502ci

COMP CAMS

Adjustable Timing Set Big Block Chevy Gen VI 454-502ci

Part Number : 249-3149KT
$29395
Precision Cam Degree Wheel Kit [11 in.]

JEGS

Precision Cam Degree Wheel Kit [11 in.]

Part Number : 555-81621
$14699$161.99
You Save$15.00
Positive Stop PTFE Seals Guide Size: .530"

COMP CAMS

Positive Stop PTFE Seals Guide Size: .530"

Part Number : 249-505-16
$3595
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$589$6.99
You Save$1.10
Break-In/Engine Oil Supplement [12 oz. Bottle]

JEGS

Break-In/Engine Oil Supplement [12 oz. Bottle]

Part Number : 555-28060
$1009$11.99
You Save$1.90
159 Engine Break-In Oil Additive [12-Ounce]

COMP CAMS

159 Engine Break-In Oil Additive [12-Ounce]

Part Number : 249-159
$2395
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$57.19
You Save$4.20
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

JEGS

Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

Part Number : 555-80599
$4779$51.99
You Save$4.20
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!