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COMP Cams 51-233-4 Magnum Hydraulic Flat Tappet Camshaft Pontiac - 224/224 265-455

(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 Magnum Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 12-212-2 COMP Cams 35-226-3 COMP Cams 20-232-4 COMP Cams 32-225-4 COMP Cams 12-211-2

Manufacturer

Picture for manufacturer COMP Cams

Part Number

51-233-4
16 reviews
Sale Price

$309.95

2 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams 51-233-4 Magnum camshaft delivers excellent performance for Pontiac V8 engines from 265 to 455 cubic inches. This hydraulic flat tappet camshaft features a 224/224 degree duration profile that provides a strong idle with improved mid-range torque and top-end horsepower, making it an ideal choice for street and street/strip applications.

Key Specifications:

  • Advertised Duration: 268/268 degrees
  • Duration at .050": 224/224 degrees
  • Valve Lift (with 1.5 ratio): .457"/.457"
  • Lobe Separation Angle: 110 degrees
  • Hydraulic flat tappet design for reliability and quiet operation
  • Recommended RPM range: 1,500-5,800 RPM
  • Power band optimized for street performance with moderate vacuum

Features and Benefits:

  • Aggressive cam profile delivers noticeable performance gains over stock
  • Maintains good street manners and drivability
  • Works well with stock or aftermarket cylinder heads
  • Compatible with stock torque converters and rear axle ratios
  • Hydraulic design eliminates valve lash adjustment

This camshaft is designed for Pontiac V8 engines and requires compatible valve springs, lifters, and timing set for proper installation. The Magnum series from COMP Cams is engineered to provide proven performance with excellent quality and durability for enthusiasts seeking reliable power improvements.

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

270H

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.476

Intake Valve Lift

0.476

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL51-233-4

K-Kit Upgrade

K51-233-4

Camshaft Series

Magnum

SK-Kit Upgrade

SK51-233-4

AMAZON ASIN

B000CEM57U

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.

Advertised Intake Duration

270

Advertised Exhaust Duration

270

Usage

Street/Strip

Basic Operating RPM Range

1,800-5,800

Exhaust Duration at .050 inch Lift

224

Intake Duration at .050 Inch Lift

224

The condenser works as expected. Came with a vacuum seal as well.

Product was as I ordered. Price was very fair. Delivery was on time and as specified

Thank you

great job

Great prices and products I need. Hope it ships fast.

Getting a tracking number or getting shipping information would complete a perfect shopping experience.

It was great!

good service

Great Prices!

Great prices and quick shipping! They kept me informed of when the item was shipped also. Couldn't be happier!

Great prices. Great live customer service. Very pleased, will definitely order again.

Lowest prices I found on the net and great customer service! Fast shipping too!

GREAT SERVICE, FAST SHIPPING, WILL USE AGAIN

Its amazing the prices Autoplicity is able to offer some of their products at. The product i ordered was consistently msrp on every site i searched through, yet autoplicity had it for $10 less. Lowest price along with a attractive and intuitive website is a win in my book. Having it shipped in less the 24hrs is another bonus

Order was shipped next day. Thank you.

Lowest prices with quick processing and shipping. Very happy and will shop again!

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