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COMP Cams CL01-602-8 Big Mutha' Thumpr Hydraulic Roller Cam and Lifter Kit for Chevy Big Block Gen VI

(Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99 + 11 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL01-602-8
5 reviews
Sale Price

$857.95

Estimated ship date Friday, November 20

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Product Details

The COMP Cams Big Mutha' Thumpr CL01-602-8 is a complete hydraulic roller camshaft and lifter kit engineered specifically for Chevrolet Big Block Gen VI engines. This aggressive cam delivers a distinctive lope at idle and powerful mid-range to top-end performance, making it ideal for street/strip applications where serious attitude and horsepower are desired.

Camshaft Specifications:

  • Intake Duration: 243° @ .050"
  • Exhaust Duration: 257° @ .050"
  • Hydraulic roller design for reduced friction and increased durability
  • Aggressive lobe profile produces signature Thumpr exhaust note
  • Optimized for engines with aftermarket cylinder heads and intake systems

Complete Kit Includes:

  • Hydraulic roller camshaft
  • High-performance hydraulic roller lifters
  • Assembly lube for proper break-in
  • Installation instructions
  • COMP Cams decals

This Big Mutha' Thumpr cam is designed for enthusiasts who want maximum performance with an unmistakable sound. The hydraulic roller design provides excellent performance while maintaining street-friendly operation compared to solid roller alternatives. Best suited for engines with 9.5:1 or higher compression, aftermarket intake manifolds, headers, and 3,000+ RPM stall converters. Requires compatible valvetrain components including roller lifter provisions in the engine block.

Products specifications

Fits

Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99, G30 1996, C2500 Suburban 1996-99; GMC K2500 1996-2000, Savana 3500 1996-2000, C3500 1996-2000 + 6 more models

Advertised Exhaust Duration

319

Advertised Intake Duration

299

Basic Operating RPM Range

2,500-6,200

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.554

Intake Valve Lift

0.569

Intake Duration at .050 Inch Lift

243

Exhaust Duration at .050 inch Lift

257

Camshaft Material

Austempered Ductile Iron

Engine Family

Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)

AMAZON ASIN

B005H89R68

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

Cam Type

Hydraulic Roller

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

LOBE SEPARATION

107

Usage

Street/Strip

Valve Stem Seals Included

No

Camshaft Series

Thumpr

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