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COMP Cams CL12-677-4 Xtreme Energy Solid Flat Tappet Cam and Lifter Kit - 236/242

(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 + 226 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL12-677-4
8 reviews
Sale Price

$456.95

4 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams CL12-677-4 Xtreme Energy camshaft and lifter kit is engineered for Chevrolet small block engines seeking aggressive performance with excellent mid-range to top-end power. This solid flat tappet camshaft features 236° intake duration and 242° exhaust duration at 0.050" lift, delivering a lopey idle and strong acceleration characteristics ideal for street/strip applications.

Key Features:

  • Solid flat tappet design for high-rpm durability and precise valve control
  • 236° intake / 242° exhaust duration @ 0.050" for aggressive power delivery
  • Optimized for engines with 9.0:1 to 11.0:1 compression ratio
  • Recommended RPM range: 1,500-6,000 RPM
  • Includes premium solid lifters matched to camshaft specifications
  • Complete kit with assembly lube, instructions, and COMP Cams decals

This Xtreme Energy series camshaft is designed for performance enthusiasts running modified small block Chevrolet engines in muscle cars, hot rods, and street machines. The solid flat tappet design requires periodic valve lash adjustment but rewards with superior high-RPM performance and longevity. Installation requires valve lash adjustment and break-in procedures per COMP Cams specifications. Compatible with aftermarket performance valve springs and rocker arms recommended for solid camshaft applications.

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 + 223 more models

Advertised Exhaust Duration

280

Lifter Type

Solid Flat Tappet

Exhaust Valve Lift

0.51

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.501

Camshaft Material

Cast Iron

Cam Type

Solid Flat Tappet

AMAZON ASIN

B000P59HRM

Usage

Street/Performance

Assembly Lubricant Included

Yes

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.

Gaskets Included

No

Advertised Intake Duration

274

Basic Operating RPM Range

2,000-6,400

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

236

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Engine Family

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

Valve Stem Seals Included

No

Camshaft Series

Xtreme Energy

It was easy

Lowest prices I found on the net and great customer service! Fast shipping too!

Ordered Borla headers 17216 that was lowest price on internet. Shipped fast at a fair price and arrived in good condition. Communication from Autoplicity was timley and accurate with tracking number. I would not hesitate to order from them again.

Best price / fast shipping

Excellent product and fast service!! Great seller with great products!! Fast shipping, no hassles!! AAA+++

Best prison the Internet and quick order fulfillment. Glad to have found Autoplicity!

There.was a bit of miscommunication between sales and shipping departments, but my order was filled and shipped as stated. Very low price, in fact the lowest on the net, and I did alot of research. Other than the shipping issue, I'm very satisfied and will buy more parts from them soon. Thank you!!!

Great pricing! Can't beat that. And also speedy shipping! What more can you ask from an online retailer??<br>

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