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COMP Cams CL51-247-4 Magnum Solid Flat Tappet Cam Lifter Kit Pontiac - 260/260 265-455

(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)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL51-247-4
4 reviews
Sale Price

$456.95

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams CL51-247-4 Magnum Cam & Lifter Kit is engineered specifically for Pontiac 265-455 cubic inch V8 engines, delivering aggressive performance with a solid flat tappet design. This complete kit features a 260/260 duration profile that provides strong mid-range to upper RPM power, making it ideal for street/strip applications and performance rebuilds.

Key Specifications:

  • Advertised Duration: 260° intake / 260° exhaust
  • Duration @ .050": 218° intake / 228° exhaust
  • Valve Lift (with 1.5 rocker ratio): .454" intake / .480" exhaust
  • Lobe Separation Angle: 110°
  • Solid flat tappet design for maximum durability and performance
  • RPM Range: 1,500-5,500 RPM

Complete Kit Includes:

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

This camshaft profile produces a noticeable lope at idle and delivers excellent throttle response with strong acceleration. Recommended for engines with upgraded valve springs, and works best with a 9.5:1 or higher compression ratio. Compatible with stock or aftermarket cylinder heads and requires valve spring upgrade for proper operation.

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 Intake Duration

306

Lifter Type

Solid Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.555

Exhaust Duration at .050 inch Lift

260

Intake Duration at .050 Inch Lift

260

Basic Operating RPM Range

3,000-6500

Camshaft Material

Cast Iron

Camshaft Series

Magnum

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001R9HA1K

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

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

Advertised Exhaust Duration

306

Exhaust Valve Lift

0.555

Valve Stem Seals Included

No

Cheapest price plus free shipping!

I ordered a hitch off of this site for Christmas, I have never heard of it nor did I know how they were, but they are great! Got my package in I'd say 4 days, very fast and it was exactly what I wanted! Only down fall was they charged me 3 times and I was short 150$ for a few days. I got my money back and I would definitely order again.

Very good customer service asked about a lot of different springs and parts for my Mazdaspeed 3.

This website had the lowest prices w/shipping compared to all of the other sites. I just ordered some hr lowering springs for my car. Great place to buy online auto parts, I would highly recommend it to everyone.

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