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COMP Cams CL42-221-4 Xtreme Energy Hydraulic Flat Cam And Lifter Kit For Oldsmobile - 212/218 260-455

(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

CL42-221-4
6 reviews
Sale Price

$397.95

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Product Details

The COMP Cams Xtreme Energy CL42-221-4 is a complete hydraulic flat tappet camshaft and lifter kit designed specifically for Oldsmobile V8 engines ranging from 260 to 455 cubic inches. This performance camshaft features 212 degrees of intake duration and 218 degrees of exhaust duration, delivering a noticeable increase in mid-range torque and horsepower while maintaining excellent street manners and reliable hydraulic operation.

Key Features:

  • Xtreme Energy cam profile optimized for improved throttle response and power delivery
  • Hydraulic flat tappet design for quiet operation and zero valve lash adjustment
  • 212°/218° advertised duration provides strong performance without sacrificing drivability
  • Complete kit includes precision-ground camshaft, hydraulic lifters, assembly lube, installation instructions, and COMP Cams decals
  • Engineered specifically for Oldsmobile 260, 307, 330, 350, 403, 425, and 455 V8 engines
  • Ideal for street performance builds, muscle car restorations, and weekend cruisers

This camshaft kit is perfect for enthusiasts looking to wake up their Oldsmobile V8 with a proven performance upgrade. The Xtreme Energy grind delivers strong acceleration and a mild performance idle while remaining emissions-friendly and compatible with stock torque converters and rear gear ratios. Everything needed for installation is included in the kit, making it a convenient, complete solution for your engine build.

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

Basic Operating RPM Range

1,000-5,200

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.453

Exhaust Valve Lift

0.456

Camshaft Material

Cast Iron

Engine Family

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

AMAZON ASIN

B001R99Q7Q

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

Advertised Exhaust Duration

268

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Intake Duration at .050 Inch Lift

212

Advertised Intake Duration

256

Exhaust Duration at .050 inch Lift

218

Valve Stem Seals Included

No

Camshaft Series

Xtreme Energy

Great pricing on hard to find products. Fast processing and shipping.

Had then part I needed for a great price!

Purchase process an amount of time from purchase, an product being shipped is short an sweet!

Great prices and FAST shipping!! Definitely will buy products here again!

Lowest price on the Internet. Fast shipping.

Great price and quick shipping!

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