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COMP Cams 35-601-4 Mutha' Thumpr Hydraulic Flat Tappet Camshaft Ford - 235/249 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)

Part of: COMP Cams Mutha' Thumpr Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 31-602-5 COMP Cams 34-601-5 COMP Cams 32-601-5

Manufacturer

Picture for manufacturer COMP Cams

Part Number

35-601-4
10 reviews
Sale Price

$309.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Mutha' Thumpr camshaft is designed to deliver an aggressive idle and strong mid-range performance for Ford 351 Windsor small block engines. This hydraulic flat tappet camshaft features 235° intake and 249° exhaust duration at 0.050" lift, creating the signature lopey idle sound that muscle car enthusiasts crave while maintaining excellent drivability for street applications.

Key Specifications:

  • Camshaft Duration (at 0.050"): 235° Intake / 249° Exhaust
  • Advertised Duration: 285° Intake / 299° Exhaust
  • Valve Lift (with 1.6 ratio): 0.500" Intake / 0.520" Exhaust
  • Lobe Separation Angle: 107°
  • Hydraulic flat tappet design for easy maintenance
  • Recommended RPM Range: 1,800-5,800 RPM
  • Requires aftermarket converter and 9.0:1+ compression ratio

The Mutha' Thumpr series is engineered for street rods, muscle cars, and trucks where aggressive sound and strong throttle response are priorities. This camshaft works best with aftermarket cylinder heads, performance intake manifolds, and headers. The hydraulic flat tappet design eliminates the need for constant valve adjustment while delivering reliable performance. Ideal for enthusiasts seeking maximum idle quality and acceleration without sacrificing street manners.

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

305

Basic Operating RPM Range

2,200-6,100

Grind Number

287TH7

Cam Type

Hydraulic Flat Tappet

Engine Family

Ford 351W 8 Cylinder (1969-1996)

Exhaust Valve Lift

0.486

Intake Valve Lift

0.501

Exhaust Duration at .050 inch Lift

249

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL35-601-4

K-Kit Upgrade

K35-601-4

AMAZON ASIN

B002EE2ETK

Cam, Lifter and Gear Drive Upgrade

GK35-601-4

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

Lifters Included

No

Valve Springs Required

Yes

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.

Intake Duration at .050 Inch Lift

235

LOBE SEPARATION

107

Usage

Street/Strip

Advertised Intake Duration

287

Camshaft Series

Thumpr

Easy to use site. Informative. Excellent price and shipping.

A REFERENCE TO CAR MODEL AND YEAR WILL BE A GOOD REMINDER OF CORRECT PART ORDERED

I ordered 3 items and they were sent in 3 separate package. Two package arrived on one day and the 3rd one the next day. The items looked good; however, It would have been nice if everything came in one package. The picture of the items ordered aren't the same as what I received. I'm assuming by that maybe the picture in some cases is just represntational Of the product. The items ordered are a good fit for my vehicle.

Fast and easy check out

ya

It's been a good experience so far but I have to return the part it ended up being the wrong one on my behalf so we will see how easy the return process is

Good fast shipping. Easy ordering.

Best price anywhere for a brand name item. Fast inexpensive shipping!

Fantastic ! Ordered a Weather Tech Cargo Liner for my 2012 Ford Explorer. Price was $60 less here than ALL other sites on web. I was skeptical that this was going to be a counterfeit -- as the price was too good to be true. I was extremely happy to receive the genuine product as I expected in less than a week -- and for $60 less than the competitors ! GREAT VALUE and great service ! I will definitely be back !!

Wow Super fast shipping, right product, no hassle no fuss. just how i like it. good job autoplicity keep it up.

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