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COMP Cams CL32-601-8 Mutha' Thumpr Hydraulic Roller Cam And Lifter Kit Ford - 235/249 for 351C/351M/400M

(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

CL32-601-8
5 reviews
Sale Price

$835.97

Estimated ship date Monday, November 23

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Product Details

The COMP Cams Mutha' Thumpr CL32-601-8 is a complete hydraulic roller camshaft and lifter kit designed specifically for Ford 351 Cleveland, 351 Modified, and 400 Modified engines. This aggressive camshaft delivers the signature Thumpr sound with excellent throttle response and strong mid-range power, making it ideal for street/strip applications and performance enthusiasts looking for that distinctive lopey idle.

Camshaft Specifications:

  • Advertised Duration: 279°/293° (Intake/Exhaust)
  • Duration at .050": 235°/249°
  • Valve Lift: .525"/.540" (with 1.73:1 rocker ratio)
  • LSA (Lobe Separation Angle): 107°
  • Hydraulic roller design for reduced friction and improved durability
  • Recommended RPM range: 1,800-5,800 RPM
  • Rough idle quality with strong street performance characteristics

Complete Kit Includes:

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

This kit is engineered for street performance applications where you want aggressive sound and strong acceleration. The hydraulic roller design provides the performance benefits of a roller cam while maintaining the simplicity and adjustability of hydraulic lifters. Requires aftermarket valve springs, pushrods, and timing set (not included). Best suited for engines with 9.0:1 to 10.5:1 compression ratio and compatible with stock or aftermarket cylinder heads.

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

311

Advertised Intake Duration

291

Basic Operating RPM Range

2,200-5,900

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.551

Intake Valve Lift

0.567

Exhaust Duration at .050 inch Lift

249

Camshaft Material

Austempered Ductile Iron

Engine Family

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

AMAZON ASIN

B005H89S4O

Usage

Street/Performance

Assembly Lubricant Included

No

Camshaft Gear Attachment

1-Bolt

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.

Gaskets Included

No

Locks Included

No

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

235

Cam Type

Hydraulic Roller

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

LOBE SEPARATION

107

Valve Stem Seals Included

No

Camshaft Series

Thumpr

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