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COMP Cams GK08-600-8 Thumpr Hydraulic Roller Camshaft 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 + 83 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

GK08-600-8
5 reviews
Sale Price

$1,193.95

Estimated ship date Wednesday, November 25

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Product Details

The COMP Cams GK08-600-8 Thumpr camshaft kit delivers aggressive performance with a distinctive idle sound for small block Chevy engines equipped with factory roller lifters. This hydraulic roller cam features 227/241 degrees of advertised duration, providing excellent mid-range torque and horsepower gains while maintaining street-friendly drivability.

Key Features:

  • Hydraulic roller design works with OE roller lifters for easy installation
  • 227/241 degree advertised duration for aggressive performance
  • Signature Thumpr idle produces deep, choppy exhaust note
  • Complete GK-Kit includes camshaft, lifters, valve springs, retainers, and locks
  • Designed specifically for small block Chevy V8 engines
  • Optimized for engines with aftermarket intake and exhaust systems
  • Includes all necessary valvetrain components for proper installation

The Thumpr series is engineered for enthusiasts seeking aggressive sound and strong performance without sacrificing reliability. This kit provides everything needed to upgrade your small block Chevy's valvetrain, with duration specs that deliver noticeable power gains from 2,000 to 5,500 RPM. Ideal for street performance applications, hot rods, and muscle car builds where a commanding presence is desired.

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, C1500 Suburban 1992-95, P3500 1987-96 + 78 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)

Exhaust Valve Lift

0.498

Exhaust Duration at .050 inch Lift

241

Kit Type

GK-Kit - Cam and Gear Kit

AMAZON ASIN

B002EE8SOA

Usage

Street/Performance

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

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

Yes

Intake Valve Lift

0.513

Advertised Intake Duration

283

Valve Stem Seals Included

No

Pushrods Included

No

Camshaft Series

Thumpr

Good to do business with.

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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