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 K11-679-5 Xtreme Energy 252/260 Solid Flat Tappet Cam K-Kit for Chevy Big Block

(Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74 + 106 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K11-679-5
8 reviews
Sale Price

$799.95

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 Xtreme Energy K11-679-5 is a complete camshaft kit designed for Chevrolet Big Block engines (396-454 cubic inches). This solid flat tappet camshaft features 252/260 duration specs, delivering improved mid-range to upper RPM performance with a pronounced lope at idle. The Xtreme Energy profile is designed for street/strip applications requiring increased lift and duration over stock.

Complete K-Kit Includes:

  • Xtreme Energy solid flat tappet camshaft with 252/260 duration
  • Matched solid flat tappet lifters
  • High-performance valve springs designed for increased lift
  • Steel retainers
  • Valve locks (keepers)
  • Valve stem seals
  • Timing chain and gear set
  • Assembly lube for proper break-in
  • Installation instructions and decals

Key Features:

  • Solid flat tappet design for maximum performance and adjustability
  • Optimized for street performance and weekend racing applications
  • Increased valve lift and duration for improved horsepower and torque
  • Complete kit eliminates guesswork—all components are matched and tested
  • Aggressive idle quality with strong mid-range to top-end power

This camshaft kit is ideal for enthusiasts building or upgrading Chevrolet Big Block engines who want aggressive performance with reliable street manners. Requires compatible cylinder heads, valve train components, and proper tuning. Professional installation and valve lash adjustment recommended.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74, C10 Pickup 1968-80, Caprice 1966-76, C10 1975-81, El Camino 1966-75, Monte Carlo 1970-75 + 101 more models

Advertised Intake Duration

290

Lifter Type

Solid Flat Tappet

Basic Operating RPM Range

2,800-7200

Intake Duration at .050 Inch Lift

252

Exhaust Duration at .050 inch Lift

260

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001R9H9W0

Usage

Street/Performance

Assembly Lubricant Included

Yes

LOBE SEPARATION

110

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

Camshaft Gear Attachment

3-Bolt

Lifters Included

Yes

Advertised Exhaust Duration

298

Valve Springs Included

Yes

Intake Valve Lift

0.598

Exhaust Valve Lift

0.598

Engine Family

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

Camshaft Series

Xtreme Energy

this is my new home... very cool site, beat summit and jegs by $20 to $30

Very fast shipping, received it Monday when I ordered it on Thursday. Thanks!

Great price and fast shipping! If your looking for quality brands at the best price available!!<br>

I found my part easily (vent visors), checkout was simple, and I was notified the very next day that my item has been sent. The price (including shipping) was way lower than anywhere else online or in town.

Autoplicity is awsome!! lowest prices.. fast shipping great customer service.. this is hard to find in todays world!!

After having trouble completing the payment process through Amazon, I was able to complete my payment information directly on the Autoplicty website and submit the order quickly. The process was easy and fast. They had the best overall price (item plus shipping) I could find on the net. The item was shipped promptly and arrived in great condition. A quality merchant all the way around.

Great service and communication. Once it was shipped, I was able to track my item. Best price I could find on the internet!! Would definitely do business with anytime.

Fantastic ! Ordered a Weather Tech Cargo Liner for my 2012 Ford Explorer. Price was $60 less here than ALL other sites on web. I was skeptical that this was going to be a counterfeit -- as the price was too good to be true. I was extremely happy to receive the genuine product as I expected in less than a week -- and for $60 less than the competitors ! GREAT VALUE and great service ! I will definitely be back !!

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