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COMP Cams SK12-770-8 Xtreme Energy 236/242 Solid Roller Cam 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 + 216 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK12-770-8
7 reviews
Sale Price

$1,113.90

Estimated ship date Friday, November 27

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Product Details

The COMP Cams SK12-770-8 Xtreme Energy hydraulic roller camshaft SK-Kit delivers aggressive performance for street/strip Chevrolet small block engines. This complete cam installation kit features the Xtreme Energy 236/242 duration profile, engineered for maximum mid-range to top-end power with excellent throttle response.

Camshaft Specifications:

  • Duration @ .050": 236°/242° (intake/exhaust)
  • Advertised Duration: 284°/294°
  • Valve Lift: .544"/.544" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Solid roller design for maximum valve control and high-RPM stability
  • Optimized for 2,500-6,500 RPM operating range

Complete SK-Kit Includes:

  • Xtreme Energy solid roller camshaft
  • High-performance solid roller lifters (16)
  • Premium timing chain set with steel sprockets
  • COMP Cams assembly lube for proper break-in
  • Installation instructions and decals

This cam kit is ideal for high-performance street machines, bracket racing, and street/strip applications where strong mid-range to top-end power is desired. Requires upgraded valve springs, pushrods, and supporting valve train components (sold separately). Recommended minimum stall converter: 2,800-3,200 RPM. Best suited for engines with aftermarket cylinder heads, headers, and performance intake manifolds.

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, C15/C1500 Pickup 1967-74 + 212 more models

Advertised Exhaust Duration

280

Kit Type

SK-Kit - Small Kit

Intake Valve Lift

0.564

Exhaust Valve Lift

0.57

Camshaft Material

Austempered Ductile Iron

AMAZON ASIN

B001R99RJI

Usage

Street/Performance

Assembly Lubricant Included

No

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

2,200-6,200

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

236

Cam Type

Solid Roller

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

Yes

Valve Stem Seals Included

No

Pushrods Included

No

Lifter Type

Solid Roller

Great price, great service, A+

Fast shipping, great product. Nothing more needs to be said.

great price and customer service

They had the parts I needed at the best price. I needed some questions answered to make sure I was ordering the right parts for a 4 year old car and they were very helpful when I called.

Best price on the internet for my parts. Shipped out the next morning.

its good

easy to order and fast response on shipping.

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