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COMP Cams K08-601-8 Mutha' Thumpr 235/249 Hydraulic Roller Cam K-Kit for SBC

(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

K08-601-8
6 reviews
Sale Price

$1,518.95

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams Mutha' Thumpr K08-601-8 is a complete hydraulic roller camshaft kit designed for small block Chevy engines equipped with OE roller blocks. This aggressive cam delivers a lopey idle with excellent throttle response and strong mid-range power, making it ideal for street/strip applications and aggressive street machines.

Camshaft Specifications:

  • Advertised Duration: 235°/249° (Intake/Exhaust)
  • Duration @ .050": 218°/230°
  • Valve Lift: .525"/.525" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 112°
  • Hydraulic roller design for OE roller blocks
  • Aggressive lope idle with strong mid-range torque

Complete K-Kit Includes:

  • Hydraulic roller camshaft
  • Hydraulic roller lifters
  • Valve springs
  • Spring retainers
  • Valve locks
  • Valve stem seals
  • Timing chain set
  • Assembly lube
  • Installation instructions and decals

This all-in-one kit provides everything needed for a complete cam swap, eliminating the guesswork of component matching. The Mutha' Thumpr series is known for its distinctive sound and performance characteristics, delivering excellent street manners with race-inspired performance.

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

311

Advertised Intake Duration

291

Basic Operating RPM Range

1,900-5,600

Engine Family

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

Intake Valve Lift

0.522

Exhaust Valve Lift

0.509

Exhaust Duration at .050 inch Lift

249

Camshaft Material

Austempered Ductile Iron

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B001S1R59E

Assembly Lubricant Included

No

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

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

235

Cam Type

Hydraulic Roller

Lifters Included

Yes

Timing Chain and Gears Included

Yes

LOBE SEPARATION

107

Valve Springs Included

Yes

Usage

Street/Strip

Camshaft Series

Thumpr

Valve Stem Seals Included

Yes

First of all, I can not believe how fast I recieved my order, 2 DAYS! Best of all, the instructions made it easy for a non mechanic like me to install.

the ordering process was easy and quick. Waiting on final assessment until package has arrived.

Ordered a CAI kit and Autoplicity had the lowest price. They're website didn't correctly match my vehicle to the product and it took a few days to ship. They're support was friendly and quick when I emailed them about the delay.

First time like it so far

Great site. Provided needed technical specs. Shipped promptly. Although I had to ask for the tacking number, it was not emailed, one was provided promptly upon request.

I couldn't find these ARP studs anywhere else for this price! $20 less than ANYWHERE! Definitely coming back to shop at Autoplicity.

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