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COMP Cams 11-727-9 Drag Race Solid Roller Camshaft Chevrolet Big Block - 284/300 for 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

11-727-9
6 reviews
Sale Price

$471.32

Estimated ship date Friday, November 27

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Product Details

The COMP Cams 11-727-9 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 cam profile delivers maximum power and torque for serious racing builds.

Camshaft Specifications:

  • Advertised Duration: 284° Intake / 300° Exhaust
  • Solid Roller Design: Superior valve train control and increased rpm capability
  • Application: Chevrolet Big Block 396, 402, 427, 454 engines
  • Purpose-Built: Optimized for drag racing and maximum quarter-mile performance
  • Valve Train: Requires solid roller lifters, high-ratio rockers, and appropriate valve springs

Performance Characteristics:

  • Aggressive lobe profiles for maximum lift and quick valve events
  • Increased exhaust duration for improved cylinder scavenging
  • Designed for high-rpm operation and maximum horsepower
  • Best suited for race-only applications with supporting modifications

This camshaft requires proper valve train components including solid roller lifters, heavy-duty pushrods, high-performance valve springs, and quality rocker arms. Professional installation and proper valve train setup is recommended 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

340

Advertised Intake Duration

324

Usage

Strip

Exhaust Valve Lift

0.748

Intake Valve Lift

0.8

Intake Duration at .050 Inch Lift

286

Exhaust Duration at .050 inch Lift

302

Grind Number

324DR-12

Basic Operating RPM Range

5,200-8500

Camshaft Series

Drag Race

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

112

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

B000RA0DFK

Camshaft Material

Billet Steel

Lifter Type

Solid Roller

Engine Family

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

always a great deal here

What a great company. 1st time buyer and very happy with Price, service, and shipping. Answered emails personally vs. a computer response. A++++ Will buy from in the future.

Awsome service and prices,Thanks alot

lowest price I could find ANYWHERE. Website needs some work (login screen appears to be asking you to login again after you enter account info).

Very good company! Shipped out product very fast!!! I can say i will use them again

it's a great company had the lowest price anywhere that i could find even online. great customer service that will even help you track your order all the way to your house. thanks autoplicity for helping me out and for being there with the lowest price when i needed you.

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