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COMP Cams 11-703-9 Drag Race Solid Roller Camshaft Chevrolet Big Block - 278/282 396-454

(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

11-703-9
4 reviews
Sale Price

$471.32

Estimated ship date Thursday, November 26

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Product Details

The COMP Cams 11-703-9 is a high-performance solid roller camshaft engineered specifically for drag racing applications in Chevrolet Big Block engines ranging from 396 to 454 cubic inches. This aggressive camshaft delivers maximum power and acceleration for serious competition use.

Camshaft Specifications:

  • Advertised Duration: 278° intake / 282° exhaust
  • Solid roller design for maximum valve control and high RPM stability
  • Optimized lobe profiles for drag racing power curves
  • Designed for Chevrolet Big Block V8 engines (396, 402, 427, 454 CI)
  • Requires compatible roller lifters, valve springs, and timing set (sold separately)

Performance Characteristics:

  • Produces aggressive idle and excellent top-end power
  • Recommended for maximum effort racing applications
  • Best suited for engines with upgraded valve train components
  • Requires proper spring pressure and retainers for solid roller operation

This camshaft is part of COMP Cams' extensive drag racing lineup and is designed for dedicated race vehicles. Professional installation and proper valve train setup is strongly recommended to achieve 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

319

Advertised Intake Duration

312

Usage

Strip

Exhaust Valve Lift

0.68

Intake Valve Lift

0.714

Intake Duration at .050 Inch Lift

278

Exhaust Duration at .050 inch Lift

282

Grind Number

312CR-10

Basic Operating RPM Range

4,500-7300

Camshaft Series

Drag Race

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

110

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

Camshaft Material

Billet Steel

Lifter Type

Solid Roller

Engine Family

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

AMAZON ASIN

B000CEO77G

Ordering easy and strait forward. Thank you!

Had just the part I needed at a great price. Thanks

Website is easy to use.

I ordered what i needed at a very affordable price and the shipping was fast... 3 days.. i will be using these guys again..

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