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COMP Cams CL42-600-5 Thumpr 226/241 Hydraulic Flat Tappet Cam and Lifter Kit for Oldsmobile V8

(Chevrolet Camaro 1972-74, Corvette 1972, Impala 1972-74, Malibu 1973, Chevelle 1973, Caprice 1973, 1986-90, Nova 1972-74, Bel Air 1972-74 + 44 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL42-600-5
9 reviews
Sale Price

$448.95

3 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Thumpr CL42-600-5 is a complete hydraulic flat tappet camshaft and lifter kit engineered specifically for Oldsmobile 260-455 cubic inch V8 engines. This performance camshaft delivers the aggressive Thumpr sound and increased power characteristics that COMP Cams is known for, with a 226/241 duration profile designed to produce a lopey idle and strong mid-range torque.

Camshaft Specifications:

  • Advertised Duration: 279°/297° (Intake/Exhaust)
  • Duration at .050": 226°/241° (Intake/Exhaust)
  • Valve Lift: .475"/.488" (Intake/Exhaust) with 1.6 rocker ratio
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for Oldsmobile V8 engines
  • Idle RPM Range: 1,800-3,200 RPM
  • Power Range: 1,800-5,400 RPM

Complete Kit Includes:

  • Thumpr hydraulic flat tappet camshaft
  • Assembly lubricant for proper break-in
  • COMP Cams decals
  • Detailed installation instructions

This camshaft is ideal for street performance applications where you want an aggressive sound with improved throttle response and torque. The Thumpr series is designed to work with stock torque converters and rear gears, making it an excellent choice for street-driven muscle cars and hot rods. Compatible with Oldsmobile 260, 307, 330, 350, 403, 425, and 455 cubic inch engines.

Products specifications

Fits

Chevrolet Camaro 1972-74, Corvette 1972, Impala 1972-74, Malibu 1973, Chevelle 1973, Caprice 1973, 1986-90, Nova 1972-74, Bel Air 1972-74, Laguna 1973-74; Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1972, 1977-81 + 40 more models

Basic Operating RPM Range

2,000-5,800

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.476

Exhaust Duration at .050 inch Lift

241

Camshaft Material

Cast Iron

Engine Family

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

AMAZON ASIN

B0046ZEDIU

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

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

Advertised Exhaust Duration

296

Intake Valve Lift

0.491

LOBE SEPARATION

107

Intake Duration at .050 Inch Lift

226

Advertised Intake Duration

278

Valve Stem Seals Included

No

Camshaft Series

Thumpr

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1st order. Shipped super fast and prices are amazing. I will be back for sure.

Great customer service. Quick process and shipped les than 24hrs after order. 5 stars.

Autoplicity had exactly the part I was looking for, for my SRT8 Challenger, at the best price I could find!

Great prices

Great so far. great prices

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

I ordered a Flowmaster cat back system for my 2012 F-150. The order arrived the day they said it would and the product came at a fair price. Well done.

Great prices and fast shipping. It doesn't get any better

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