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COMP Cams 10-601-11 Mutha' Thumpr Hydraulic Roller Camshaft 235/249 AMC 290-401

(Jeep Cherokee 1974-83, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1972-83, J20 1974-88, Commando 1972-73 + 27 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

10-601-11
12 reviews
Sale Price

$608.95

3 left at this price

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Product Details

The COMP Cams Mutha' Thumpr camshaft is designed for AMC V8 engines from 290 to 401 cubic inches, delivering an aggressive idle and strong mid-range torque characteristics. This hydraulic roller camshaft features 235/249 degrees of advertised duration, providing excellent throttle response and a distinctive lope that enthusiasts crave.

Key Features:

  • Hydraulic roller design for reduced friction and improved durability
  • 235/249 degrees advertised duration for aggressive idle and performance
  • Optimized for street performance and muscle car applications
  • Specifically engineered for AMC 290, 304, 343, 360, 390, and 401 V8 engines
  • Part of COMP Cams' popular Thumpr series for maximum exhaust note
  • Compatible with hydraulic roller lifters and factory fuel injection or carbureted setups

This camshaft delivers the perfect balance of streetability and performance for classic AMC muscle cars and trucks. The Mutha' Thumpr profile produces strong vacuum for power brakes while maintaining excellent drivability. Ideal for builds targeting improved low-end and mid-range power with that unmistakable performance cam sound.

Products specifications

Fits

Jeep Cherokee 1974-83, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1972-83, J20 1974-88, Commando 1972-73, CJ6 1971-75, J-100 1971-73, J-2500 1970-73, J-4600 1971-73, J-4500 1971-73, J-4800 1971-73 + 21 more models

Advertised Exhaust Duration

311

Advertised Intake Duration

291

Basic Operating RPM Range

2,200-6,100

Grind Number

291THR7

Engine Family

American Motors 290-401 c.i. 8 Cylinder (1966-1991)

Exhaust Valve Lift

0.526

Intake Valve Lift

0.54

Exhaust Duration at .050 inch Lift

249

Usage

Street/Performance

Assembly Lubricant Included

No

Camshaft Gear Attachment

1-Bolt

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.

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

235

Cam Type

Hydraulic Roller

Camshaft Material

Billet Steel

LOBE SEPARATION

107

Camshaft Series

Thumpr

Easy site to use.

So far so good.

easy ordering

Paypal made it quick & easy to order!

Great price and shipping is more than reasonable.

Good and fast.

Wow it was shipped so quickly it arrived the next day. Will be ordering again.

Fast and Easy

Very fast checkout.

Very good prices. Fast shipping, will continue to order from Autoplicity and recommending to friends!!<br>

Ordered an EGR bug shield. After a short delay due to the Christmas holiday I called and customer service quickly tracked it down and it showed up a few days later. Best price on the internet!

Extremely satisfied Hell ya

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