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COMP Cams 11-423-8 Xtreme Energy Hydraulic Roller Camshaft Chevy Big Block - 224/230

(Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74 + 105 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

11-423-8
4 reviews
Sale Price

$577.95

In Stock (9)

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Product Details

The COMP Cams Xtreme Energy 11-423-8 hydraulic roller camshaft is engineered specifically for Chevrolet Big Block engines (396-454 cubic inches). This performance camshaft delivers excellent mid-range to top-end power with improved throttle response and a noticeable performance idle.

Camshaft Specifications:

  • Intake Duration: 224 degrees at .050" lift
  • Exhaust Duration: 230 degrees at .050" lift
  • Hydraulic roller design for reduced friction and increased durability
  • Optimized lobe profiles for smooth power delivery
  • Ideal for street/strip applications and mild performance builds

Key Features:

  • Xtreme Energy lobe design maximizes performance across the RPM range
  • Hydraulic roller technology eliminates the need for break-in procedures
  • Reduced valvetrain wear compared to flat tappet designs
  • Compatible with factory or aftermarket roller lifters
  • Precision-ground on COMP Cams CNC equipment for exact specifications

This camshaft is designed for use with compatible hydraulic roller lifters, pushrods, and valvesprings (sold separately). The Xtreme Energy series provides an excellent balance of performance and drivability for enthusiasts seeking noticeable power gains without sacrificing street manners.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1967-76, C10 1975-80, El Camino 1967-75, Monte Carlo 1970-75 + 100 more models

Basic Operating RPM Range

1,900-5,600

Grind Number

XR276HR

Exhaust Valve Lift

0.51

Intake Valve Lift

0.51

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL11-423-8

K-Kit Upgrade

K11-423-8

SK-Kit Upgrade

SK11-423-8

Usage

Street/Performance

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

No

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Camshaft Gear Attachment

3-Bolt

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

230

Cam Type

Hydraulic Roller

Advertised Exhaust Duration

282

Intake Duration at .050 Inch Lift

224

Advertised Intake Duration

276

Engine Family

Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

AMAZON ASIN

B000P592QS

Camshaft Series

Xtreme Energy

Quick service. keeps you up to date

Awesome company that's ships it quick, product is perfect.

Love shopping here, I always find what I need.

The order number 15547 tailgate lock fit perfectly. The shipping was very fast, ordered on Tuesday, delivered on Saturday. Will order from again.

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