My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 51-234-4 Magnum 230/230 Hydraulic Flat Tappet Camshaft for 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)

Manufacturer

Part Number

51-234-4
Sale Price

$309.95

4 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 Magnum 51-234-4 is a hydraulic flat tappet camshaft engineered specifically for Pontiac V8 engines ranging from 265 to 455 cubic inches. This camshaft delivers a balanced combination of increased performance and smooth idle characteristics, making it ideal for street and mild performance applications.

Camshaft Specifications:

  • Advertised Duration: 280°/280° intake and exhaust
  • Duration @ .050": 230°/230° intake and exhaust
  • Valve Lift: .462"/.462" (with 1.5:1 rocker ratio)
  • Lobe Separation Angle: 110°
  • RPM Range: 1,500-5,500
  • Hydraulic flat tappet design for reliable, low-maintenance operation

Performance Benefits:

  • Improved throttle response and mid-range torque
  • Smooth idle quality suitable for daily driving
  • Compatible with stock valve springs and components in most applications
  • Excellent choice for street rods, muscle cars, and weekend cruisers

This camshaft is designed to work with factory or aftermarket hydraulic flat tappet lifters and is compatible with both manual and automatic transmissions. The symmetrical lobe profile simplifies installation and tuning. COMP Cams recommends verifying piston-to-valve clearance and using their assembly lube during installation 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

Advertised Exhaust Duration

280

Grind Number

280H

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.48

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL51-234-4

K-Kit Upgrade

K51-234-4

Camshaft Series

Magnum

SK-Kit Upgrade

SK51-234-4

AMAZON ASIN

B000N5OMTW

Engine Family

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

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.

Basic Operating RPM Range

2,000-6,000

Exhaust Duration at .050 inch Lift

230

Intake Duration at .050 Inch Lift

230

Usage

Street/Strip

Exhaust Valve Lift

0.48

Advertised Intake Duration

280

Autoplicity had the lowest price by far and shipping was very fast (ordered Wednesday evening, arrived Saturday morning). I will definitely order from Autoplicity again!

Would like more description of the items.

Very pleasant order over the phone. Gentleman was smart, cheerful and helpful.

Just what you want from a merchant but don't expect; fast, courteous service and attention to the details of your order. I'm a happy consumer. Thank you, Autoplicity. I'll be back.

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.

Good products with low prices. Easy website and pament options.

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.

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