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 K12-254-3 Xtreme Energy Hydraulic Flat Cam K-Kit for Chevy Small Block

(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 + 242 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K12-254-3
4 reviews
Sale Price

$726.95

Estimated ship date Friday, November 20

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 K12-254-3 Xtreme Energy K-Kit is a complete camshaft installation package designed for Chevrolet small block engines. This comprehensive kit features a 250/256 duration hydraulic flat tappet camshaft that delivers increased performance across the RPM range, making it ideal for street/strip applications and engines with aftermarket intake manifolds and headers.

Complete K-Kit Includes:

  • Xtreme Energy hydraulic flat tappet camshaft with 250°/256° advertised duration
  • Hydraulic flat tappet lifters engineered to match cam profile
  • High-performance valve springs for improved valve control
  • Valve spring retainers and locks
  • Valve stem seals for proper oil control
  • Timing chain set for precise cam timing
  • Assembly lube to ensure proper break-in
  • Installation instructions and COMP Cams decals

This all-in-one kit eliminates the guesswork of component selection by providing perfectly matched parts for optimal performance and reliability. The Xtreme Energy cam profile provides a noticeable increase in horsepower and torque while maintaining good street manners and vacuum for power brakes. Recommended operating range is 1,500-5,800 RPM.

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 + 239 more models

Advertised Intake Duration

294

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.519

Exhaust Valve Lift

0.523

Intake Duration at .050 Inch Lift

250

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B001R99QC6

Usage

Street/Performance

Assembly Lubricant Included

Yes

LOBE SEPARATION

110

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

Basic Operating RPM Range

2,800-7000

Camshaft Gear Attachment

3-Bolt

Lifters Included

Yes

Advertised Exhaust Duration

306

Valve Springs Included

Yes

Engine Family

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

Exhaust Duration at .050 inch Lift

256

Camshaft Series

Xtreme Energy

Excellent

Great site. I received my product quickly and it was the product I ordered.

After weeks of shopping around, I was able to find the best price from Autoplicity. The ordering process was very simple since I had the option to pay through my Amazon account. Great experience.

These guys have the best prices available online. There customer service is on point as well.

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