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COMP Cams 41-601-7 Classic Mutha' Thumpr 235/249 Solid Flat Tappet Camshaft Flathead Ford

(Ford Custom 1949-52, Country Sedan 1950-53, Ranch Wagon 1950-53, Country Squire 1950-53, F Series 1949-53, Sunliner 1952-53, Victoria 1951-53 + 8 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

41-601-7
9 reviews
Sale Price

$689.95

2 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Classic Mutha' Thumpr camshaft delivers aggressive performance and that distinctive lopey idle sound for Flathead Ford 239 and 255 cubic inch engines. This solid flat tappet camshaft features 235 degrees of intake duration and 249 degrees of exhaust duration, creating a radical profile designed for street/strip applications.

Key Features:

  • Solid flat tappet design for classic Flathead Ford engines (239/255 ci)
  • Intake duration: 235 degrees, Exhaust duration: 249 degrees
  • Aggressive lope idle with strong mid-range to top-end power
  • Classic Mutha' Thumpr profile optimized for vintage performance builds
  • Designed for use with performance valve springs and lifters
  • Ideal for street rods, hot rods, and weekend warrior applications

This camshaft is engineered specifically for enthusiasts building period-correct or vintage-inspired Flathead Ford V8 engines who want maximum attitude and performance. The split duration pattern creates the signature Thumpr sound while delivering excellent throttle response and horsepower gains throughout the RPM range. Professional installation and proper break-in procedures are required for solid flat tappet camshafts.

Products specifications

Fits

Ford Custom 1949-52, Country Sedan 1950-53, Ranch Wagon 1950-53, Country Squire 1950-53, F Series 1949-53, Sunliner 1952-53, Victoria 1951-53, Crestline 1950-53, Customline 1952-53, Deluxe 1949-51, Ford 1949, Mainline 1952-53 + 3 more models

Lifter Type

Solid Flat Tappet

Exhaust Valve Lift

0.364

Intake Valve Lift

0.368

Basic Operating RPM Range

2,000-4,000

Exhaust Duration at .050 inch Lift

249

Grind Number

287TS7

Camshaft Material

Cast Iron

Camshaft Series

Classic Thumpr

Engine Family

Flathead Ford (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953)

Cam Type

Solid Flat Tappet

AMAZON ASIN

B005H89VZA

Assembly Lubricant Included

Yes

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.

Advertised Intake Duration

275

Intake Duration at .050 Inch Lift

235

LOBE SEPARATION

107

Advertised Exhaust Duration

307

Awesome price! I couldn't find a better bargain anywhere, and I searched for days.

Best price on VP fuel jugs and way fast shipping

Fantastic price, positive communication, arrived before promised worked out great!

My experience with autoplicity was great. Great selection and service. Fast shipping. Will definitely use them again.

Good price on parts, easy searching with Google Shopping, easy Checkout with Google Checkout. Wish the order shipped a day sooner. Called the 1-800 numnber, I get a little worried sometimes ordering car parts online - some sellers are bogus. But they answered the phone quickly and with a person in the US, not a machine or someone in another country.

great prices

Good price, quick shipping, no instant refund though!

cheapest price, better than summitt or jegs too

Lowest price usually means sub-par customer service. Not the case at Autoplicity. I had questions after my item shipped, they responded promptly and professionally multiple times, and were totally willing to work with me. Very satisfying, would not hesitate to order from Autoplicity again.

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