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 11-743-9 Drag Race Solid Roller Camshaft Big Block Chevy - 292/320 396-454

(Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74 + 104 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

11-743-9
4 reviews
Sale Price

$558.95

1 left at this price

delivery box

Usually delivered within 2 days

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 11-743-9 is a high-performance solid roller camshaft engineered specifically for drag racing applications in Chevrolet Big Block engines (396-454 cubic inches). This aggressive cam profile delivers maximum power in the upper RPM range, making it ideal for serious competition vehicles where every horsepower counts.

Camshaft Specifications:

  • Advertised Duration: 292° intake / 320° exhaust
  • Solid roller design for maximum valve control and durability
  • Optimized for drag racing and high-RPM performance
  • Compatible with Big Block Chevrolet 396, 427, and 454 engines
  • Requires roller lifters, valve springs, and supporting components (sold separately)

Performance Characteristics:

  • Power range optimized for 3,500+ RPM operation
  • Aggressive profile delivers maximum top-end horsepower
  • Split duration design enhances exhaust scavenging
  • Requires higher stall converter and appropriate gearing

This camshaft is designed for dedicated race engines with supporting modifications including upgraded valve train components, high-compression pistons, performance cylinder heads, and a properly matched intake and exhaust system. Professional installation and precise valve train setup are essential for optimal performance and reliability.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1967-76, C10 1975-80, El Camino 1967-75, Monte Carlo 1970-75 + 99 more models

Advertised Exhaust Duration

360

Advertised Intake Duration

322

Grind Number

322RXH-18

Usage

Strip

Exhaust Valve Lift

0.867

Intake Valve Lift

0.878

Intake Duration at .050 Inch Lift

292

Exhaust Duration at .050 inch Lift

320

Basic Operating RPM Range

4,800-8500

Camshaft Series

Drag Race Xtreme RX

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

LOBE SEPARATION

118

Cam Type

Solid Roller

Camshaft Material

Billet Steel

Lifter Type

Solid Roller

Engine Family

Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

AMAZON ASIN

B000P5933U

Easy shopping and great prices.

Simple and fast

so far so good. ordering was easier than any where I have ordered from before

Excellent prices + great customer service = people I want to do business with... period.

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