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COMP Cams 11-407-8 Xtreme Energy Hydraulic 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 + 104 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

11-407-8
6 reviews
Sale Price

$502.76

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme Energy 11-407-8 hydraulic roller camshaft is engineered for Chevrolet big block engines (396-454 cubic inches) seeking significant performance gains with modern valve train technology. This camshaft delivers a 200/206 degree duration profile that provides strong mid-range torque and excellent top-end horsepower, making it ideal for street/strip applications and performance street builds.

Key Specifications:

  • Intake Duration: 200 degrees
  • Exhaust Duration: 206 degrees
  • Hydraulic roller design for reduced friction and increased valve train stability
  • Optimized lobe profiles for improved throttle response and power delivery
  • Compatible with Chevrolet big block 396-454 engines
  • Requires hydraulic roller lifters and compatible valve springs (not included)

Performance Benefits:

  • Aggressive idle and excellent street manners with strong acceleration
  • Broad power band suitable for daily driving and weekend racing
  • Hydraulic roller design reduces wear and extends service life
  • Provides noticeable performance gains over stock camshafts
  • Works well with stock or mildly modified cylinder heads and intake manifolds

The Xtreme Energy series from COMP Cams is designed to maximize performance while maintaining reliability and drivability. This camshaft is an excellent choice for enthusiasts looking to upgrade their big block Chevy engine with proven technology and measurable results. Professional installation and proper valve train setup are recommended for optimal performance.

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

Basic Operating RPM Range

600-4,600

Grind Number

XR252HR

Exhaust Valve Lift

0.51

Intake Valve Lift

0.51

Intake Duration at .050 Inch Lift

200

Exhaust Duration at .050 inch Lift

206

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL11-407-8

K-Kit Upgrade

K11-407-8

SK-Kit Upgrade

SK11-407-8

Usage

Street/Performance

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

Lifter Type

Hydraulic Roller

Advertised Exhaust Duration

258

Cam Type

Hydraulic Roller

AMAZON ASIN

B000P5G5KY

Advertised Intake Duration

252

Engine Family

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

Camshaft Series

Xtreme Energy

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Quick and easy.

Autoplicity cares about there customers. I ordered a flash programmer and got to the last page and never got a confirmation of the order. I used the website chat and talked to somebody about it right away. So I ordered again and got a conformation. But both went though. Autoplicity called me next day a.m. to see if I made a mistake. Thanks for letting me know and correcting to one order. Saved me from shipping back a product I dind't need.

Exact product as promised with the best price on the internet. Product shipped fast and had a tracking number to keep me up to date on my order. I would order from again without hesitation and will tell friends.

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