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COMP Cams 12-658-5 Oval Track 260/266 Solid Flat Tappet Camshaft 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 + 222 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

12-658-5
4 reviews
Sale Price

$325.95

1 left at this price

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Product Details

The COMP Cams 12-658-5 is a solid flat tappet camshaft specifically designed for oval track racing applications in Chevrolet Small Block engines. This performance camshaft delivers excellent mid-range to upper RPM power characteristics ideal for circle track competition.

Key Specifications:

  • Advertised Duration: 260° intake / 266° exhaust
  • Camshaft Type: Solid flat tappet
  • Application: Oval track racing
  • Engine Compatibility: Chevrolet Small Block V8
  • Optimized for competition use with aggressive valve timing

Features & Benefits:

  • Solid lifter design provides precise valve control at high RPM
  • Split duration pattern (260/266) optimized for racing exhaust systems
  • Delivers strong power band for oval track racing conditions
  • Engineered specifically for circle track competition demands
  • Manufactured to COMP Cams' strict quality control standards

This camshaft requires periodic valve lash adjustment and is intended for dedicated racing applications. Compatible with most Chevrolet Small Block engines including 262, 265, 267, 283, 302, 305, 307, 327, 350, and 400 cubic inch variants. Requires appropriate valve springs, lifters, and supporting components for proper installation.

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 + 218 more models

Advertised Exhaust Duration

300

Advertised Intake Duration

290

Usage

Strip

Lifter Type

Solid Flat Tappet

Intake Valve Lift

0.558

Exhaust Valve Lift

0.549

Intake Duration at .050 Inch Lift

260

Exhaust Duration at .050 inch Lift

266

Grind Number

290XO-8

Basic Operating RPM Range

3400-7,200

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

LOBE SEPARATION

106

Engine Family

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

AMAZON ASIN

B000P593PI

Order 12486. Item was simple to find and the website made it very easy to navigate. I appreciated the ability to pay with paypal and email notifications gave me confidence that everything was taken care of properly.

Great transaction, from easy of ordering to showing up at my door very quickly.

Great Prices and fast, fast shipping. I will definitely do business with them again.

Ordered some fluid coolers for a project, great price, easy website, FAST shipping!

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