My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 51-232-3 High 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 High Energy Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 33-224-3 COMP Cams 33-222-3 COMP Cams 35-218-3 COMP Cams 21-215-4 COMP Cams 69-235-4

Manufacturer

Picture for manufacturer COMP Cams

Part Number

51-232-3
8 reviews
Sale Price

$297.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams High Energy camshaft delivers proven performance for street and mild performance applications in Pontiac V8 engines from 265 to 455 cubic inches. This hydraulic flat tappet camshaft features 218/218 degrees of advertised duration on both intake and exhaust, providing a smooth idle with noticeably improved throttle response and midrange torque over stock.

Key Specifications:

  • Advertised Duration: 218°/218° (Intake/Exhaust)
  • Duration @ .050": 268°/268°
  • Valve Lift: .447"/.447" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design
  • Compatible with Pontiac 265, 301, 326, 350, 389, 400, 421, 428, and 455 engines

Features & Benefits:

  • High Energy grind profile optimized for street performance and reliability
  • Tight lobe separation provides strong vacuum for power brakes and accessories
  • Works well with stock converter and rear gear ratios
  • Ideal powerband: 1,500-5,500 RPM
  • Maintains excellent driveability for daily driving applications
  • Manufactured from premium quality materials with precision CNC grinding

This camshaft is designed for engines with stock or mildly modified components including stock heads, intake manifold, and exhaust. Best results when paired with COMP Cams hydraulic lifters, pushrods, and valve springs designed for this profile. Professional installation and proper break-in procedures are recommended for optimal performance and longevity.

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

Grind Number

268H

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.454

Intake Valve Lift

0.454

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL51-232-3

Camshaft Series

High Energy

K-Kit Upgrade

K51-232-3

SK-Kit Upgrade

SK51-232-3

AMAZON ASIN

B000CEM57K

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

Advertised Exhaust Duration

268

Basic Operating RPM Range

1,500-5,500

Exhaust Duration at .050 inch Lift

218

Intake Duration at .050 Inch Lift

218

<br><br>Borgeson 000940<br><br>I found Autoplicity during a price search on the Borgeson steering shaft for my truck. I had never heard of them, and was a bit skepticle. But after doing some research, found that Autoplicity has a good reputation on a Jeep forum I visit.<br><br>I decided to order, and I am impresed. Extremely fast shipping, I placed my order on Saturday, and its now Monday before noon. I am holding the new part!

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Quick shipping and they had the fuel jugs I needed for the best prices thanks!<br><br>UPDATE: they were so good I made another order with them within a week.

Great Pricing (lowest i can find anywhere) and Quick Shipping, Product has no damage from shipping! Thank you Autoplicity!

great

I received my ARP head studs as described and on time with zero problems, and cheaper than anywhere else.Will use again!!!

We ordered a cover for a pickup truck bed and were so pleased that it was shipped so quickly. The price was the lowest that we found on the internet or in any of the stores where we looked. We were notified by e-mail as soon as it shipped. We will definitely shop this site again.

First time buyer from Autoplicity and found the website easy to navigate and find what I wanted quickly. They had the best price of all the other sites I checked, including shipping.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy