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COMP Cams Camshaft CRB3 291Th R7 Thumper

SKU: CCA23-601-9

Camshafts

CCA Camshafts...

COMP Cams Camshaft CRB3 291Th R7 Thumper

SKU: CCA23-601-9

Camshafts

CCA Camshafts...

A$1,302.23
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Mutha' Thumpr 235/249 Hydraulic Roller Cam

Product Overview

*Thumpr Camshafts* * Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods * Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note * Best with aftermarket converters and more rear gear

Product Details

Advertised Exhaust Duration:311
Advertised Intake Duration:291
Amazon ASIN:B005H89TLQ
Assembly Lubricant Included:No
Basic Operating RPM Range:2,200-5,900
C.A.R.B. E.O. Number:N/A
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.
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. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:Thumpr
Description:Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chrysler 383-440
Engine Family:Chrysler 383-440 c.i. 8 Cylinder (1959-1980)
Exhaust Duration @ .050 in.:249
Exhaust Duration at .050 inch Lift:249
Exhaust Duration:311
Exhaust Valve Lift(in):0.508
Exhaust Valve Lift:0.508
Grind Number:291THR7
Intake Duration @ .050 in.:235
Intake Duration at .050 Inch Lift:235
Intake Duration:291
Intake Valve Lift(in):0.522
Intake Valve Lift:0.522
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:107
Part Number:cca23-601-9
RPM Range:2200-7000
Title:Mutha' Thumpr 235/249 Hydraulic Roller Cam for Chrysler 383-440
Usage:Street/Strip
Valve Springs Required:Yes

Application Summary

3-Bolt Camshaft Design - Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:48:14

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
23-601-9
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Mutha Thumpr Hydraulic Roller Camshafts
Product Attributes - UPC
036584211983
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
2,200-5,900
Product Attributes - Intake Duration at 050 inch Lift
235
Product Attributes - Exhaust Duration at 050 inch Lift
249
Product Attributes - Duration at 050 inch Lift
235 int./249 exh.
Product Attributes - Advertised Intake Duration
291
Product Attributes - Advertised Exhaust Duration
311
Product Attributes - Advertised Duration
291 int./311 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.522 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.508 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.522 int./0.508 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
291THR7
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca23-601-9
SFX Item ID 4119472
Supplier Item Code 4119472
Manufacturer SKU 23-601-9
Manufacturer UPC 36584211983
Alternative References CRB3, 291Th

Compatibility

3-Bolt Camshaft Design - Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440

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