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COMP Cams 51-223-4 Xtreme Energy Hydraulic Flat Tappet Camshaft Pontiac - V8

(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

51-223-4
6 reviews
Sale Price

$309.95

In Stock (10+)

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Product Details

The COMP Cams 51-223-4 Xtreme Energy camshaft is a high-performance hydraulic flat tappet camshaft designed specifically for Pontiac V8 engines ranging from 265 to 455 cubic inches. This camshaft delivers a noticeable performance upgrade with excellent street manners and strong mid-range power, making it ideal for street performance and street/strip applications.

Camshaft Specifications:

  • Advertised Duration: 268°/274° intake/exhaust
  • Duration @ .050": 224°/230° intake/exhaust
  • Valve Lift: .454"/.480" intake/exhaust (with 1.5:1 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for reliable operation and quiet performance
  • Recommended RPM range: 1,500-5,500 RPM
  • Recommended valve spring: COMP Cams #26918 or equivalent

Performance Characteristics:

  • Produces aggressive idle with loping sound
  • Excellent throttle response and drivability
  • Strong torque from off-idle through mid-range
  • Requires 9.0:1 minimum compression ratio
  • Works well with stock or aftermarket cylinder heads
  • Compatible with stock torque converters and rear axle ratios

This camshaft is part of COMP Cams' popular Xtreme Energy series, which utilizes advanced lobe profiles to maximize performance while maintaining excellent street characteristics. The design provides more area under the lift curve for increased power without sacrificing reliability. Ideal for enthusiasts seeking a significant performance upgrade over stock with a distinctive performance idle.

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

Advertised Exhaust Duration

280

Basic Operating RPM Range

1,600-5,800

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.477

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL51-223-4

K-Kit Upgrade

K51-223-4

SK-Kit Upgrade

SK51-223-4

AMAZON ASIN

B000CESFR4

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

268

Exhaust Duration at .050 inch Lift

230

Grind Number

XE268H

Exhaust Valve Lift

0.48

Intake Duration at .050 Inch Lift

224

Camshaft Series

Xtreme Energy

Great pricing on hard to find products. Fast processing and shipping.

It was easy.

Purchase process an amount of time from purchase, an product being shipped is short an sweet!

Great prices and FAST shipping!! Definitely will buy products here again!

Lowest price on the Internet. Fast shipping.

The shipping was prompt and the price was the best around. It arrived at my door 2 days after I ordered it. will do business with them again!

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