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 CL12-239-3 Xtreme 4x4 Hydraulic Flat Tappet Camshaft and Lifter Kit

(GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91 + 239 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL12-239-3
5 reviews
Sale Price

$386.95

4 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 CL12-239-3 Xtreme 4x4 camshaft and lifter kit is designed for Chevrolet small block engines seeking aggressive performance for street/strip and off-road applications. This hydraulic flat tappet cam delivers strong mid-range to top-end power with a advertised duration of 270/278 degrees and 218/226 degrees at 0.050" lift, combined with 0.477"/0.480" valve lift with 1.5:1 rocker arms.

Key Features:

  • Hydraulic flat tappet design for reliable street performance with high-RPM capability
  • Xtreme 4x4 grind optimized for 4-wheel drive and performance truck applications
  • 110-degree lobe separation angle for strong torque characteristics
  • Recommended RPM range: 1,500-5,800 RPM
  • Complete kit includes camshaft, hydraulic lifters, assembly lube, COMP Cams decals, and installation instructions
  • Compatible with carbureted or fuel-injected Chevrolet small block engines (283-400ci)

This cam requires aftermarket valve springs, upgraded valve train components, and a performance torque converter for automatic transmissions. Ideal for off-road trucks, rock crawlers, and street machines demanding strong acceleration and pulling power throughout the RPM range.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91, C3500 1979-86, 1988-95, K2500 Suburban 1979-86, 1992-95, K3500 1979-86, 1988-95 + 236 more models

Basic Operating RPM Range

1,300-5,600

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.462

Camshaft Material

Cast Iron

SK-Kit Upgrade

SK12-239-3

Camshaft Series

Xtreme 4x4

AMAZON ASIN

B000CIUFPU

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

262

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

111

Locks Included

No

Advertised Exhaust Duration

270

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Exhaust Valve Lift

0.48

Exhaust Duration at .050 inch Lift

226

Intake Duration at .050 Inch Lift

218

Engine Family

Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

Valve Stem Seals Included

No

Lowest price I could find in the net. It was easy to order. Delivered on time. I'll buy again.

Great pricing, fast shipping, A+++

Extremely fast shipping - shipped the next business day and I was notified via email about everything. Also, VERY good pricing on the products AND shipping. Thanks!

Great pricing, but did take a while to ship. I believe this was due to the product being on backorder from the manufacturer.

Had a problem but they fixed it. Fast shipping.

Share icon
Return Policy
Returns are easy at THMotorsports

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