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COMP Cams CL32-601-5 Mutha' Thumpr Hydraulic Flat Cam and Lifter Kit - 234/249

(Ford F-150 1977-81, Mustang 1969-73, F-250 1977-81, Bronco 1978-82, Thunderbird 1972, 1977-79, F-350 1977-81, Galaxie 500 1969-74 + 30 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL32-601-5
4 reviews
Sale Price

$439.95

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams Mutha' Thumpr CL32-601-5 is a complete camshaft and lifter kit engineered specifically for Ford 351 Cleveland, 351M, and 400M engines. This hydraulic flat tappet camshaft delivers an aggressive idle with excellent throttle response and strong mid-range power, making it ideal for street machines and muscle cars that demand attention.

Camshaft Specifications:

  • Advertised Duration: 234°/249° (intake/exhaust)
  • Duration at .050": 218°/232°
  • Valve Lift: .495"/.506" (with 1.73:1 rocker ratio)
  • Lobe Separation Angle: 107°
  • Hydraulic flat tappet design for reliable street performance
  • Signature Thumpr lope and sound

Complete Kit Includes:

  • High-performance camshaft
  • Hydraulic flat tappet lifters (16)
  • Assembly lube for proper break-in
  • COMP Cams decals
  • Detailed installation instructions

The Mutha' Thumpr series is designed for enthusiasts who want maximum performance sound combined with strong street performance. This cam works best with 9.0:1 to 10.5:1 compression ratio, upgraded valve springs (required), and a performance torque converter with 2,200-2,800 RPM stall speed for automatic transmissions. Power range is approximately 1,500-5,800 RPM.

Products specifications

Fits

Ford F-150 1977-81, Mustang 1969-73, F-250 1977-81, Bronco 1978-82, Thunderbird 1972, 1977-79, F-350 1977-81, Galaxie 500 1969-74, F-100 1977-79, Fairlane 1969-70, Ranchero 1969-79, Torino 1970-76, Falcon 1970 + 25 more models

Advertised Exhaust Duration

304

Advertised Intake Duration

286

Basic Operating RPM Range

2,200-6,100

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.503

Intake Valve Lift

0.519

Exhaust Duration at .050 inch Lift

249

Camshaft Material

Cast Iron

Engine Family

Ford 351C, 351M-400M 8 Cylinder (1970-1983)

AMAZON ASIN

B005H89S3U

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

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.

Gaskets Included

No

Locks Included

No

Intake Duration at .050 Inch Lift

234

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

LOBE SEPARATION

107

Valve Stem Seals Included

No

Camshaft Series

Thumpr

Great!

Pretty simple so far

Great customer service. Prompt shipment and excellent prices. I will defiantly be ordering from them again. Just wish I would have found them sooner!!

I received my ARP head studs as described and on time with zero problems, and cheaper than anywhere else.Will use again!!!

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