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COMP Cams GK35-600-4 Thumpr Hydraulic Flat Camshaft Kit for Ford 351W

(Ford F-150 1981-95, Mustang 1969-95, F-250 1981-95, Bronco 1981-95, Thunderbird 1977-79, F-350 1981-95, Galaxie 500 1969-74, F-100 1981 + 37 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

GK35-600-4
4 reviews
Sale Price

$629.34

Estimated ship date Thursday, November 19

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Product Details

The COMP Cams GK35-600-4 is a complete Thumpr series camshaft kit designed specifically for Ford 351W small block engines. This hydraulic flat tappet camshaft delivers an aggressive 227/241 duration split that produces the signature Thumpr lope at idle while providing strong mid-range torque and horsepower gains.

Camshaft Specifications:

  • Advertised Duration: 279°/293° intake/exhaust
  • Duration at .050": 227°/241° intake/exhaust
  • Valve Lift: .501"/.510" intake/exhaust (with 1.6:1 rocker ratio)
  • Lobe Separation Angle: 112°
  • Hydraulic flat tappet design

Complete GK-Kit Includes:

  • Thumpr camshaft
  • Hydraulic lifters
  • Valve springs and retainers
  • Valve stem seals
  • Spring seats and locks
  • Camshaft assembly lubricant

This kit is engineered for street performance applications where an aggressive sound and improved throttle response are desired. The Thumpr camshaft profile is optimized for engines with stock or mildly modified components, making it an excellent choice for muscle car restorations and street rods. Recommended operating range is 1,800-5,800 RPM with a minimum 9.0:1 compression ratio for optimal performance.

Products specifications

Fits

Ford F-150 1981-95, Mustang 1969-95, F-250 1981-95, Bronco 1981-95, Thunderbird 1977-79, F-350 1981-95, Galaxie 500 1969-74, F-100 1981, F-250 Pickup 1981-95, Fairlane 1969, Ranchero 1969-79, Torino 1969-76, F-350 Pickup 1981-95 + 32 more models

Advertised Exhaust Duration

297

Advertised Intake Duration

279

Basic Operating RPM Range

2,000-5,800

Cam Type

Hydraulic Flat Tappet

Engine Family

Ford 351W 8 Cylinder (1969-1996)

Exhaust Duration at .050 inch Lift

241

Kit Type

GK-Kit - Cam and Gear Kit

AMAZON ASIN

B002EE73E6

Usage

Street/Performance

Lifter Type

Hydraulic Flat Tappet

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

Intake Duration at .050 Inch Lift

227

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

Yes

Intake Valve Lift

0.49

Exhaust Valve Lift

0.475

Valve Stem Seals Included

No

Pushrods Included

No

Camshaft Series

Thumpr

Great service. fast shiping!

Great price and fast shipping!

Best prices I found online.. processed same day and recieved same week..packaged great and works great.

Amazing Prices, saved hundreds over other Performance websites. Fast Shipping to top it off! Even with having to pay for shipping I saved $160 using Autoplicity over another "racing" website. Will absolutely do business with again!

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