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COMP Cams SK42-237-4 Magnum 253/253 Hydraulic Flat Camshaft Kit for Oldsmobile 260-455

(Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986 + 31 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK42-237-4
4 reviews
Sale Price

$399.78

Estimated ship date Tuesday, November 24

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Product Details

The COMP Cams SK42-237-4 Magnum camshaft kit delivers a performance upgrade for Oldsmobile 260-455 cubic inch V8 engines. This hydraulic flat tappet camshaft features 253/253 degrees of advertised duration, providing a strong mid-range power boost with a smooth idle characteristic suitable for street performance applications.

Complete SK-Kit Includes:

  • Magnum hydraulic flat tappet camshaft with 253/253 duration
  • Hydraulic lifter set (16 lifters)
  • Timing chain and gear set
  • Assembly lube for proper break-in
  • Installation instructions
  • COMP Cams decals

This kit provides everything needed for a camshaft upgrade except pushrods and gaskets. The 253/253 duration profile offers improved throttle response and increased torque throughout the powerband while maintaining good vacuum for power brakes and automatic transmissions. Ideal for street machines, mild performance builds, and daily drivers seeking enhanced performance without sacrificing driveability.

Application: Oldsmobile 260, 307, 330, 350, 403, 425, and 455 cubic inch V8 engines.

Products specifications

Fits

Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986, Bonneville (SE/SSE) 1977-81, Grand LeMans 1976-77, Grand Safari 1977-78, Safari 1987-89, Phoenix 1977 + 26 more models

Advertised Exhaust Duration

305

Advertised Intake Duration

305

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.54

Kit Type

SK-Kit - Small Kit

Exhaust Duration at .050 inch Lift

253

Basic Operating RPM Range

3,000-6800

Camshaft Material

Cast Iron

Camshaft Series

Magnum

Engine Family

Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)

AMAZON ASIN

B001R9HB7I

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

Exhaust Valve Lift

0.54

Locks Included

No

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

Yes

Usage

Street/Strip

Valve Stem Seals Included

No

Intake Duration at .050 Inch Lift

253

Pushrods Included

No

Great pricing and quick shipping. GREAT

Awsome service and prices,Thanks alot

quick easy and best price

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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