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COMP Cams 51-224-4 Xtreme Energy Hydraulic Flat Tappet Camshaft Pontiac - 265-455

(Pontiac GTO 1964-73, Firebird 1967-81, Grand Prix 1962-80, Grand Am 1973-75, 1978-80, Bonneville 1958-80, LeMans 1963-81, Catalina 1955-80 + 23 more models)

Part of: COMP Cams Xtreme Energy Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 31-238-3 COMP Cams 35-238-3 COMP Cams 35-242-3 COMP Cams 51-222-4 COMP Cams 31-242-3

Manufacturer

Picture for manufacturer COMP Cams

Part Number

51-224-4
8 reviews
Sale Price

$309.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme Energy 51-224-4 hydraulic flat tappet camshaft is specifically engineered for Pontiac 265-455 cubic inch V8 engines. This performance camshaft delivers a significant boost in mid-range power and torque, making it ideal for street performance applications and weekend cruisers.

Camshaft Specifications:

  • Intake Duration: 230 degrees at .050" lift
  • Exhaust Duration: 236 degrees at .050" lift
  • Advertised Duration: 280/286 degrees
  • Valve Lift (with 1.5 ratio): .471"/.471"
  • Lobe Separation Angle: 110 degrees
  • Hydraulic flat tappet design for quiet operation and durability

Key Features:

  • Xtreme Energy lobe profile provides excellent throttle response and drivability
  • Moderate idle with strong vacuum characteristics for power accessories
  • Works with stock compression ratios and factory torque converters
  • Compatible with stock valve springs in most applications
  • Recommended RPM range: 1,500-5,800 RPM

This camshaft is designed for street/strip builds seeking improved performance without sacrificing streetability. The Xtreme Energy series uses advanced lobe technology to maximize power output while maintaining excellent driveability characteristics. Ideal for Pontiac V8 engines from 265 to 455 cubic inches including 326, 350, 389, 400, and 421 models.

Products specifications

Fits

Pontiac GTO 1964-73, Firebird 1967-81, Grand Prix 1962-80, Grand Am 1973-75, 1978-80, Bonneville 1958-80, LeMans 1963-81, Catalina 1955-80, Tempest 1961-70, Ventura 1960-61, 1971-75, 1977, Parisienne 1967-68, 1972-74 + 20 more models

Basic Operating RPM Range

1,800-6,000

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.488

Exhaust Valve Lift

0.491

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL51-224-4

K-Kit Upgrade

K51-224-4

SK-Kit Upgrade

SK51-224-4

AMAZON ASIN

B000CIOAEM

Engine Family

Pontiac 265-455 C.I. 8 Cylinder (1955-1981)

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

Lifter Type

Hydraulic Flat Tappet

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.

Advertised Intake Duration

274

Exhaust Duration at .050 inch Lift

236

Intake Duration at .050 Inch Lift

230

Grind Number

XE274H

Advertised Exhaust Duration

286

Camshaft Series

Xtreme Energy

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