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COMP Cams 11-711-9 Puller Mud Race 271/280 Solid Roller Camshaft Big Block Chevy 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 + 105 more models)

Manufacturer

Part Number

11-711-9
Sale Price

$471.32

Estimated ship date Friday, November 27

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 11-711-9 is a high-performance solid roller camshaft specifically engineered for puller and mud racing applications in Chevrolet big block engines (396-454 cubic inches). This aggressive cam profile delivers maximum low-end torque and pulling power needed for demanding competition environments.

Camshaft Specifications:

  • Intake Duration: 271 degrees
  • Exhaust Duration: 280 degrees
  • Solid roller lifter design for maximum valve control and durability
  • Optimized lobe profiles for puller and mud racing applications
  • Direct replacement for Chevrolet big block 396-454 engines

Key Features:

  • Solid roller design eliminates valve float at high RPM
  • Aggressive duration specifications provide strong low-end torque
  • Precision-ground lobes ensure consistent performance
  • Designed specifically for the extreme demands of pulling and mud racing
  • Requires solid roller lifters, matching valve springs, and proper valve train components

This camshaft is purpose-built for racers who need reliable, hard-hitting power delivery in competitive pulling events. Professional installation and proper valve train setup are essential for optimal performance and engine longevity.

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 + 100 more models

Advertised Exhaust Duration

319

Advertised Intake Duration

306

Usage

Strip

Exhaust Valve Lift

0.68

Intake Valve Lift

0.68

Exhaust Duration at .050 inch Lift

282

Grind Number

306CR-8

Basic Operating RPM Range

4,000-7000

Camshaft Series

Puller and Mud Race

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

Camshaft Material

Billet Steel

LOBE SEPARATION

108

Intake Duration at .050 Inch Lift

272

Lifter Type

Solid Roller

Engine Family

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

AMAZON ASIN

B000P5B6A8

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