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COMP Cams CL42-225-4 Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit

(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

CL42-225-4
6 reviews
Sale Price

$397.95

1 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme Energy CL42-225-4 is a complete camshaft and lifter kit designed specifically for Oldsmobile 260-455 cubic inch V8 engines. This hydraulic flat tappet cam delivers aggressive performance with a 240/246 duration split, making it ideal for street/strip applications seeking increased power and a lively idle.

Key Specifications:

  • Advertised Duration: 280°/286° intake/exhaust
  • Duration at .050": 240°/246° intake/exhaust
  • Valve Lift: .480"/.480" with 1.6 rocker ratio
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for reliable street performance
  • Recommended RPM range: 1,800-5,800 RPM

Complete Kit Includes:

  • Xtreme Energy hydraulic flat tappet camshaft
  • High-performance hydraulic lifter set (16 lifters)
  • Assembly lube for proper break-in
  • Installation instructions
  • COMP Cams decals

This cam profile delivers excellent throttle response, strong mid-range torque, and aggressive top-end power. The Xtreme Energy cam is ground on premium steel cores and features COMP Cams' proven lobe profiles for maximum performance and durability. Ideal for engines with aftermarket cylinder heads, headers, and intake manifolds. Requires minimum 9.5:1 compression ratio and 2,200+ stall converter for optimal performance.

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 Intake Duration

284

Basic Operating RPM Range

2,300-6,500

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Intake Valve Lift

0.541

Exhaust Valve Lift

0.544

Camshaft Material

Cast Iron

Engine Family

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

AMAZON ASIN

B001R9FL3Y

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

Exhaust Duration at .050 inch Lift

246

Intake Duration at .050 Inch Lift

240

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Advertised Exhaust Duration

296

Valve Stem Seals Included

No

Camshaft Series

Xtreme Energy

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Best pricing I found anywhere on the part I needed, quick shipping, no hassle. Definitely going to be a repeat customer.

the order was quick and inexpensive. I would have bought a carb if I could have found an Edlebrock I am not a holley fan sorry.

Very fast shipping, lowest prices on the web.

Great site! Just what I wanted!

Great prices and fast shipping. I had a question about the product and the had all the answers. I would definitely shop here again.

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