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COMP Cams CL51-241-4 Magnum Hydraulic Flat Cam Lifter Kit Pontiac - 265-455

(Pontiac GTO 1964-73, Firebird 1967-81, Grand Prix 1962-80, Grand Am 1973-75, 1978-80, Bonneville 1959-80, LeMans 1963-81, Catalina 1959-80 + 18 more models)

Part of: COMP Cams Magnum Hydraulic Flat Cam Lifter Kit

Other options in this family: COMP Cams CL12-212-2 COMP Cams CL20-232-4 COMP Cams CL35-226-3 COMP Cams CL12-326-4 COMP Cams CL11-208-3

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL51-241-4
5 reviews
Sale Price

$397.95

Estimated ship date Monday, November 23

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Product Details

The COMP Cams CL51-241-4 Magnum/Drag Race Camshaft and Lifter Kit is engineered specifically for Pontiac V8 engines ranging from 265 to 455 cubic inches. This complete kit delivers aggressive performance with a 253/253 duration profile designed for drag racing and high-performance street applications.

Camshaft Specifications:

  • Duration: 253°/253° advertised duration
  • Hydraulic flat tappet design for reliable operation
  • Optimized for mid to high RPM power gains
  • Magnum profile for aggressive performance characteristics

Complete Kit Includes:

  • Magnum series hydraulic flat tappet camshaft
  • High-quality hydraulic lifters (16 pieces)
  • Assembly lube for proper break-in
  • Installation instructions
  • COMP Cams decals

This kit is ideal for enthusiasts seeking increased horsepower and torque in classic Pontiac engines, including 326, 350, 389, 400, 421, 428, and 455 applications. The hydraulic flat tappet design maintains reliability while delivering race-inspired performance. Professional installation and proper break-in procedures are recommended for optimal results and longevity.

Products specifications

Fits

Pontiac GTO 1964-73, Firebird 1967-81, Grand Prix 1962-80, Grand Am 1973-75, 1978-80, Bonneville 1959-80, LeMans 1963-81, Catalina 1959-80, Tempest 1961-70, Ventura 1960-61, 1972-75, 1977, Grandville 1971-75 + 15 more models

Advertised Exhaust Duration

305

Advertised Intake Duration

305

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.525

Intake Valve Lift

0.525

Exhaust Duration at .050 inch Lift

253

Basic Operating RPM Range

3,000-6500

Camshaft Material

Cast Iron

Camshaft Series

Magnum

AMAZON ASIN

B001R9DT88

Engine Family

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

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

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.

Gaskets Included

No

Locks Included

No

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Valve Stem Seals Included

No

Intake Duration at .050 Inch Lift

253

Great pricing and quick shipping. GREAT

Awsome service and prices,Thanks alot

After searching for the best prices for the product that I wanted, I ended up with Autoplicity. I quickly got a response that my product has just been shipped and I am very impressed that Autoplicity is giving me an incentive to write a review on them. This tells me that this company is very concerned with the satisfaction of their customers. I am currently waiting for the order to arrive, but so far, I am extremely confident and happy with Autoplicity!

Found part in stock and not at competitors.

This store had a lot of products more than most other sites I looked at. The order was processed quickley and shiped the next day. I will use them again.

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