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COMP Cams CL08-600-8 Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit for Small Block Chevy

(GMC G2500 1987-95, Yukon 1992-95, K1500 1988-95, C1500 1988-95, K2500 1988-95, Jimmy 1987-91, C3500 1988-95, K2500 Suburban 1992-95 + 89 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL08-600-8
7 reviews
Sale Price

$857.95

4 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Thumpr CL08-600-8 is a complete hydraulic roller camshaft and lifter kit engineered specifically for OE roller-equipped small block Chevy engines. This aggressive cam delivers the iconic Thumpr sound with serious performance gains, featuring 227/241 degrees of advertised duration that produces a lopey idle and strong mid-range to top-end power.

Key Features:

  • Hydraulic roller camshaft with 227/241 duration specs for aggressive performance
  • Designed for factory roller lifter small block Chevy applications (1987 and newer)
  • Complete kit includes camshaft, hydraulic roller lifters, assembly lube, decals, and detailed installation instructions
  • Thumpr profile delivers distinctive exhaust note with impressive torque and horsepower gains
  • Requires aftermarket valvetrain components including higher-rate valve springs
  • Ideal for street/strip applications and vehicles with automatic or manual transmissions

This cam is perfect for enthusiasts seeking that unmistakable muscle car sound combined with real performance improvements. The Thumpr series is known for its radical idle quality while maintaining streetability, making it one of COMP Cams' most popular camshaft lines for small block Chevy engines.

Products specifications

Fits

GMC G2500 1987-95, Yukon 1992-95, K1500 1988-95, C1500 1988-95, K2500 1988-95, Jimmy 1987-91, C3500 1988-95, K2500 Suburban 1992-95, K3500 1988-95, C2500 1988-95, K1500 Suburban 1992-95, G25/G2500 Van 1987-95, C1500 Suburban 1992-95 + 84 more models

Advertised Exhaust Duration

303

Basic Operating RPM Range

1,900-5,600

Engine Family

Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.498

Exhaust Duration at .050 inch Lift

241

Camshaft Material

Austempered Ductile Iron

AMAZON ASIN

B002EE3A52

Usage

Street/Performance

Assembly Lubricant Included

No

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

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

227

Cam Type

Hydraulic Roller

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Intake Valve Lift

0.513

LOBE SEPARATION

107

Advertised Intake Duration

283

Valve Stem Seals Included

No

Camshaft Series

Thumpr

good prices!!!!!!!!!! Fast shipping thanks

I got the part I ordered and will be having someone install it soon looks just fine and I love the chat feature as well.. thinking about buying brake shoes now.. a lot of savings

Great prices & fast shipping.

They had the best price anywhere on the items I ordered(Recon Lights). Prompt emails and accurate tracking via UPS shipping. I'm pleased and will order more items now that I know they're "legit". Thanks Autoplicity!<br><br>Nick C.

GOOD SERVICE, FAST SHIP, CHEAP PRICE

Easy to do business with BEST PRICE anywhere!! Shipped and arrived quickly

Not sure if they overlooked my order but I didn't get my shipping info (3 days after ordered) until I emailed asking for status update. I received a response the following day and all my items ordered came 2 days later...much faster than I had anticipated considering the "delay" or lack thereof (5 days total). Long story short...items are as described, best prices (from what I can researched online for same items/brand) and resonable shipping prices. the selection and brand(s) offered were somewhat limited for my specific needs, otherwise I would've ordered more.

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