My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams CL11-239-3 Xtreme 4x4 Hydraulic Flat Tappet Camshaft and Lifter Kit for Chevy Big Block 396-454

(Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74 + 104 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL11-239-3
7 reviews
Sale Price

$386.95

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams CL11-239-3 Xtreme 4x4 camshaft and lifter kit is engineered for Chevrolet Big Block 396-454 engines seeking aggressive performance gains. This hydraulic flat tappet camshaft features 226/234 degrees of advertised duration, delivering a strong mid-range to top-end power band ideal for off-road trucks, rock crawlers, and performance street applications.

Key Features:

  • Hydraulic flat tappet design for reliable operation and reduced valvetrain noise
  • 226/234 degree advertised duration profile optimized for torque and horsepower
  • Xtreme 4x4 grind developed specifically for high-performance off-road applications
  • Compatible with Chevrolet Big Block V8 engines (396, 402, 427, 454 cubic inch)
  • Includes premium quality hydraulic lifters matched to camshaft specifications
  • Complete kit includes camshaft, lifters, assembly lube, installation instructions, and COMP Cams decals

This complete cam kit provides everything needed for installation except pushrods and valve springs, which should be selected based on your specific engine configuration. The Xtreme 4x4 series is designed to deliver strong low-end torque while maintaining excellent throttle response, making it perfect for vehicles that demand both trail performance and street drivability. Professional installation and proper break-in procedures are recommended to ensure optimal performance and component longevity.

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 + 99 more models

Basic Operating RPM Range

1,600-5,800

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.544

Exhaust Valve Lift

0.564

Camshaft Material

Cast Iron

Camshaft Series

Xtreme 4x4

AMAZON ASIN

B001R9H952

Usage

Street/Performance

Assembly Lubricant Included

Yes

Valve Springs Required

Yes

Lifter Type

Hydraulic Flat Tappet

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.

Gaskets Included

No

Advertised Intake Duration

270

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

111

Locks Included

No

Exhaust Duration at .050 inch Lift

234

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Advertised Exhaust Duration

278

Intake Duration at .050 Inch Lift

226

Valve Stem Seals Included

No

Engine Family

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

Great pricing on hard to find products. Fast processing and shipping.

Love the Amazon pay option. Best price I could find on the net was through autoplicity. Great service thus far.

Purchase process an amount of time from purchase, an product being shipped is short an sweet!

Quick experience. Good prices. A little concerned that the order didn't display my exact vehicle for verification of fit purposes.

Great prices and FAST shipping!! Definitely will buy products here again!

Lowest price on the Internet. Fast shipping.

Great price and quick shipping!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy