My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 12-649-5 Oval Track 240/242 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 + 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

12-649-5
4 reviews
Sale Price

$325.95

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 12-649-5 is a high-performance solid flat tappet camshaft specifically designed for oval track racing applications in Chevrolet small block engines. This camshaft delivers aggressive power characteristics ideal for circle track competition where sustained high-RPM operation and maximum power output are critical.

Camshaft Specifications:

  • Advertised Duration: 240°/242° (Intake/Exhaust)
  • Duration @ .050": 240°/242°
  • Valve Lift: .462"/.479" (with 1.5:1 rocker ratio)
  • Lobe Separation Angle: 110°
  • Solid flat tappet design for maximum durability and adjustability
  • Optimized lobe profiles for oval track racing demands

Key Features:

  • Engineered specifically for circle track and oval racing applications
  • Solid lifter design allows for precise valve lash adjustment and high-RPM stability
  • Aggressive duration and lift specs produce strong mid-range to high-RPM power
  • Works best with modified cylinder heads, headers, and racing-spec valve train components
  • Requires solid/mechanical lifters, performance valve springs, and pushrods (sold separately)

This camshaft is designed for dedicated racing engines and requires proper valve train setup including solid lifters, performance springs with correct seat and open pressures, hardened pushrods, and quality rocker arms. Professional installation and periodic valve lash adjustment 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

276

Basic Operating RPM Range

2,700-6,400

Lifter Type

Solid Flat Tappet

Exhaust Valve Lift

0.51

Intake Valve Lift

0.51

Grind Number

270XO-8

Camshaft Material

Cast Iron

Cam Type

Solid Flat Tappet

Camshaft Series

Xtreme Oval

Usage

Street/Performance

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.

Advertised Intake Duration

270

Camshaft Gear Attachment

3-Bolt

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

240

AMAZON ASIN

B000P5G6QM

LOBE SEPARATION

108

Engine Family

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

I ordered an AEM intake for my F-150 on Christmas day and received it on the 29th. I would absolutely recommend this site to anyone looking for car parts - they had the lowest price by far and shipped fast. Great job!

Quick and Easy

Absolute lowest retail price and lightning fast shipping. What more can you ask?

Great selection of parts and great responses to orders through e mail

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy