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COMP Cams 12-654-5 Oval Track Solid Flat Tappet Camshaft Chevrolet Small Block - 256/258

(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 + 240 more models)

Part of: COMP Cams Oval Track Solid Flat Tappet Camshaft Chevy Small Block

Other options in this family: COMP Cams 12-610-5 COMP Cams 12-652-5 COMP Cams 12-650-5 COMP Cams 12-608-5 COMP Cams 12-645-5

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-654-5
8 reviews
Sale Price

$325.95

Estimated ship date Friday, November 27

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Product Details

The COMP Cams 12-654-5 is a high-performance solid flat tappet camshaft designed specifically for oval track racing applications in Chevrolet small block engines. This camshaft features a split-duration profile with 256 degrees of advertised intake duration and 258 degrees of exhaust duration, optimized to deliver strong mid-range torque and excellent top-end power for circle track competition.

Key Features:

  • Split-duration profile (256° intake / 258° exhaust) engineered for oval track racing
  • Solid flat tappet design for maximum valve control and durability
  • Optimized lobe profiles provide strong acceleration off the corners
  • Designed to work with stock or aftermarket cylinder heads
  • Ideal for 350-400+ cubic inch small block Chevy racing engines
  • Requires solid lifters, appropriate valve springs, and proper valve lash adjustment

This camshaft is part of COMP Cams' proven oval track series, delivering the consistent performance and reliability demanded by circle track racers. The solid flat tappet design ensures precise valve timing and maximum durability under the high-RPM conditions of competitive racing. Professional installation and proper break-in procedures are required for optimal performance and longevity.

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 + 236 more models

Advertised Exhaust Duration

292

Advertised Intake Duration

286

Usage

Strip

Lifter Type

Solid Flat Tappet

Exhaust Valve Lift

0.537

Intake Valve Lift

0.549

Intake Duration at .050 Inch Lift

252

Exhaust Duration at .050 inch Lift

258

Grind Number

286XO-8

Basic Operating RPM Range

3200-7,200

Camshaft Material

Cast Iron

Cam Type

Solid Flat Tappet

Camshaft Series

Xtreme Oval

Assembly Lubricant Included

Yes

Lifters Included

No

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.

Camshaft Gear Attachment

3-Bolt

AMAZON ASIN

B000P5G6BM

LOBE SEPARATION

108

Engine Family

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

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