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 12-993-9 Oval Track Solid Roller Camshaft Chevrolet Small Block - 264/267

(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 + 238 more models)

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

Other options in this family: COMP Cams 12-857-9 COMP Cams 12-861-9 COMP Cams 12-911-9 COMP Cams 12-940-9 COMP Cams 12-996-9

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-993-9
7 reviews
Sale Price

$558.95

Estimated ship date Tuesday, November 24

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 12-993-9 is a high-performance solid roller camshaft specifically designed for oval track racing applications in Chevrolet small block engines. This aggressive cam profile delivers exceptional mid-range to top-end power, making it ideal for circle track and dirt racing where sustained high RPM operation is critical.

Camshaft Specifications:

  • Advertised Duration: 264°/267° (intake/exhaust)
  • Solid roller design for maximum durability and performance
  • Optimized lobe profiles for oval track racing demands
  • Engineered for Chevrolet small block V8 engines (262-400 cubic inches)
  • Requires solid roller lifters, heavy-duty valve springs, and proper valve train components

Performance Characteristics:

  • Delivers strong mid-range torque and excellent top-end horsepower
  • Designed for 2,500-7,000+ RPM operating range
  • Ideal for racing applications with high-compression engines
  • Requires aftermarket cylinder heads and intake manifold for optimal results
  • Professional installation and valve train setup recommended

This camshaft is purpose-built for competitive oval track racing where reliability and consistent power delivery are paramount. Proper valve train geometry, piston-to-valve clearance checking, and professional tuning are essential for maximum performance and engine 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 + 234 more models

Advertised Exhaust Duration

304

Advertised Intake Duration

300

Grind Number

300AR-6

Usage

Strip

Exhaust Valve Lift

0.63

Intake Valve Lift

0.63

Exhaust Duration at .050 inch Lift

266

Basic Operating RPM Range

4,200-7200

Camshaft Series

Oval Track (.900" Base Circle)

Assembly Lubricant Included

No

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

Cam Type

Solid Roller

AMAZON ASIN

B000V9GBTO

Camshaft Material

Billet Steel

LOBE SEPARATION

106

Engine Family

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

Intake Duration at .050 Inch Lift

264

Lifter Type

Solid Roller

Fast, easy, good prices

I am so pleased! Autoplicity had the best price by far for the item I ordered. I was not familiar with them so having the Paypal option was perfect. Over all I saved $30 on an item that was close to $100. Shipping was VERY reasonable and quick. I ordered my item on Saturday. They shipped it right away and I received it on Wednesday. I am definitely an Autoplicity fan and will recommend them to my friends not to mention our mechanic. He found the item I wanted on sale through another major company. Just to double check, I searched online and Autoplicity blew that company out of the water with their pricing and service for the exact same item. Very nice!

I ordered a WeatherTech cargo liner from Autoplicity after finding the product almost $40 cheaper than anywhere else. Usually I'm suspect of the one company with a very low price but the high number of reviews gave me enough comfort to order. The product came in a large box and was shipped for a very reasonable price and arrived in four business days. The product is as described and I couldn't be happier. I will definately keep them in mind for future orders.

My truck bed cover arrived today. Everything looks okay. Looking forward to installing it this weekend. <br> Thanks for the quick shipping.

Excellent prices and quick shipping. Will definitely use again.

Fantastic prices and fast shipping!! Looks like I'm done with Jeg's and Summit!!

I am very pleased with my purchase from Autoplicity. Price was very reasonable and shipping was great!

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