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COMP Cams SK12-678-4 Xtreme Energy Solid Flat Tappet Camshaft Kit for Chevy Small Block

(GMC G2500 1979-94, Yukon 1992-94, K1500 1979-86, 1988-94, C1500 1979-86, 1988-94, K2500 1979-86, 1988-94, Jimmy 1970-91 + 218 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK12-678-4
5 reviews
Sale Price

$516.95

Estimated ship date Wednesday, November 25

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Product Details

The COMP Cams SK12-678-4 Xtreme Energy camshaft kit delivers aggressive performance for small block Chevrolet engines. This complete SK-Kit (Small Kit) features a 244/252 duration solid flat tappet camshaft designed to maximize mid-range to top-end power, making it ideal for modified street/strip applications and aggressive street machines.

Key Features:

  • Xtreme Energy 244/252 solid flat tappet camshaft with aggressive lift and duration for increased horsepower
  • Designed specifically for Chevrolet small block engines (262-400 cubic inches)
  • Includes premium solid flat tappet lifters engineered to match cam profile
  • Complete timing chain set ensures precise valve timing and durability
  • Assembly lube included for proper break-in and component protection
  • Instructions and COMP Cams decals included for professional installation

This complete camshaft kit provides everything needed for a successful cam swap except pushrods and valve springs. The Xtreme Energy profile is optimized for engines with aftermarket cylinder heads, higher compression ratios, and performance exhaust systems. Solid flat tappet design requires periodic valve lash adjustment but delivers maximum performance and reliability in high-RPM applications.

Products specifications

Fits

GMC G2500 1979-94, Yukon 1992-94, K1500 1979-86, 1988-94, C1500 1979-86, 1988-94, K2500 1979-86, 1988-94, Jimmy 1970-91, C3500 1979-86, 1988-94, K2500 Suburban 1979-86, 1992-94, K3500 1979-86, 1988-94 + 215 more models

Advertised Intake Duration

282

Basic Operating RPM Range

2,400-6,800

Lifter Type

Solid Flat Tappet

Kit Type

SK-Kit - Small Kit

Intake Valve Lift

0.52

Intake Duration at .050 Inch Lift

244

Exhaust Duration at .050 inch Lift

252

Camshaft Material

Cast Iron

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001R9DUDM

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

Camshaft Gear Attachment

3-Bolt

Exhaust Valve Lift

0.54

Locks Included

No

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

Yes

Advertised Exhaust Duration

290

Engine Family

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

Valve Stem Seals Included

No

Pushrods Included

No

Camshaft Series

Xtreme Energy

product just as described, received in 3 days

great

I paid for 2nd day shipping and 5 days later they were shipped out. So, I should receive my rotors in a full week from when I paid for 2 day shipping. I called customer service and they discounted the shipping rate to ground service. At least they were polite and helpful in the phone.

Great prices will shop here again.

Excellent on-line merchant with outstanding customer service and the best prices on equipment and shipping. Highly reccomended!

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