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COMP Cams 23-601-9 Mutha' Thumpr Hydraulic Roller Camshaft Chrysler - 235/249 383-440

(Chrysler 300 1959-71, Town & Country 1959-77, Newport 1959-78, New Yorker 1959-78, Imperial 1959-75, Cordoba 1975-78, Saratoga 1959-60 + 38 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

23-601-9
8 reviews
Sale Price

$622.95

In Stock (5)

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Product Details

The COMP Cams Mutha' Thumpr 23-601-9 is a hydraulic roller camshaft designed specifically for Chrysler B and RB big block engines (383-440 cubic inch). This cam delivers an aggressive, lopey idle with strong mid-range to top-end power, making it ideal for street/strip applications where maximum performance and attitude are desired.

Camshaft Specifications:

  • Intake Duration: 235° at .050"
  • Exhaust Duration: 249° at .050"
  • Hydraulic roller design for reduced friction and increased durability
  • Produces the signature "Thumpr" sound with aggressive lope
  • Designed for engines with 9.0:1 to 10.5:1 compression ratio
  • Requires aftermarket converter and performance valve springs
  • RPM range: 1,800-5,800 RPM

Key Features:

  • Computer-designed lobe profiles optimized for maximum power output
  • Hydraulic roller design eliminates need for break-in procedure
  • Excellent street manners with strong acceleration
  • Compatible with electronic fuel injection and performance carburetors
  • Manufactured from premium-quality materials to COMP Cams exacting standards

The Mutha' Thumpr series represents COMP Cams most aggressive street roller camshafts, delivering maximum performance with the unmistakable muscle car sound. This camshaft requires supporting modifications including performance valve springs, higher-stall torque converter (2,400-3,000 RPM recommended), and performance exhaust system for optimal results.

Products specifications

Fits

Chrysler 300 1959-71, Town & Country 1959-77, Newport 1959-78, New Yorker 1959-78, Imperial 1959-75, Cordoba 1975-78, Saratoga 1959-60, Ford 300 1959-71, Windsor 1959-61; Dodge Charger 1966-78, Challenger 1970-71, Dart 1960-69 + 33 more models

Advertised Exhaust Duration

311

Advertised Intake Duration

291

Basic Operating RPM Range

2,200-5,900

Grind Number

291THR7

Engine Family

Chrysler 383-440 c.i. 8 Cylinder (1959-1980)

Intake Valve Lift

0.522

Exhaust Valve Lift

0.508

Exhaust Duration at .050 inch Lift

249

AMAZON ASIN

B005H89TLQ

Assembly Lubricant Included

No

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.

Camshaft Gear Attachment

3-Bolt

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

Great price easy Web sight

Very easy checkout and free shipping!!

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

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I ordered a pair of products from Autoplicity and one of them was defective. It was no fault of there's and they handled it with a return postage slip and immediate credit on my card. Very nice to deal with and fast service.

Lowest prices, great service. Thanks.

Almost 50% off the product right from the start and they don't make up for it in shipping cost! Order shipped very quickly. So far, impressive business. I will come here first from now on. Thanks!!!

Order Number: 32855<br>Accel Super Coils, P/N 140043-8<br><br>Best price on the internet!!! Receieved item fast and as described.<br><br>Will shop here again!!!

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