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COMP Cams 08-600-8 Thumpr Hydraulic Roller Camshaft 227/241 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)

Part of: COMP Cams Thumpr Hydraulic Roller Camshaft Small Block Chevy

Other options in this family: COMP Cams 12-600-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

08-600-8
5 reviews
Sale Price

$577.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Thumpr 08-600-8 is a hydraulic roller camshaft designed specifically for OE roller applications in small block Chevy engines. This camshaft delivers the aggressive lope and strong performance characteristics that have made the Thumpr series one of the most popular cam choices for street performance builds.

Camshaft Specifications:

  • Advertised Duration: 279°/289° intake/exhaust
  • Duration at .050": 227°/241° intake/exhaust
  • Valve Lift: .477"/.479" intake/exhaust (with 1.5 rocker ratio)
  • Lobe Separation Angle: 112°
  • Hydraulic roller design for OE roller lifter compatibility
  • Designed for 9.0:1 to 10.5:1 compression ratio
  • Recommended RPM range: 1,500-5,800 RPM

Key Features:

  • Distinctive choppy idle with aggressive exhaust note
  • Excellent throttle response and low-end torque
  • Drop-in replacement for factory roller cam applications
  • Works with stock valve springs in most applications
  • Ideal for street performance, hot rods, and muscle cars

This camshaft is engineered for street-driven vehicles with automatic or manual transmissions and delivers noticeable performance gains over stock while maintaining street manners. The Thumpr profile provides strong mid-range power and that unmistakable muscle car sound enthusiasts demand.

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

Grind Number

283THR7

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

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL08-600-8

K-Kit Upgrade

K08-600-8

Usage

Street/Performance

Assembly Lubricant Included

No

Lifters 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.

Camshaft Gear Attachment

3-Bolt

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

227

Cam Type

Hydraulic Roller

Intake Valve Lift

0.513

LOBE SEPARATION

107

AMAZON ASIN

B002EDWPOA

Cam, Lifter and Gear Drive Upgrade

GK08-600-8

Advertised Intake Duration

283

Camshaft Series

Thumpr

Very happy

Good product, fast shipping, ease of shopping.

Great experience. Good service. Reasonable prices.

best price i could find online. fast shipping

We ordered a cover for a pickup truck bed and were so pleased that it was shipped so quickly. The price was the lowest that we found on the internet or in any of the stores where we looked. We were notified by e-mail as soon as it shipped. We will definitely shop this site again.

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