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COMP Cams Camshaft C409 47S291THR8

SKU: CCA48-601-10

Camshafts

CCA Camshafts...

COMP Cams Camshaft C409 47S291THR8

SKU: CCA48-601-10

Camshafts

CCA Camshafts...

A$1,845.91
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

Mutha' Thumpr 4/7 Swap 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:N/A
Assembly Lubricant Included:No
Basic Operating RPM Range:2,200-6,200
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 4 and 7 Swap Firing Order
Description:Mutha' Thumpr 4/7 Swap 235/249 Hydraulic Roller Cam for Chevrolet 348-409
Engine Family:Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
Exhaust Duration @ .050 in.:249
Exhaust Duration at .050 inch Lift:249
Exhaust Duration:311
Exhaust Valve Lift(in):0.558
Exhaust Valve Lift:0.558
Grind Number:47S 291MTHR-8
Intake Duration @ .050 in.:235
Intake Duration at .050 Inch Lift:235
Intake Duration:291
Intake Valve Lift(in):0.574
Intake Valve Lift:0.574
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:108
Part Number:cca48-601-10
RPM Range:2200-6200
Title:Mutha' Thumpr 4/7 Swap 235/249 Hydraulic Roller Cam for Chevrolet 348-409
Usage:Street/Performance
Valve Springs Required:Yes

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:46:21

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
48-601-10
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Mutha Thumpr Hydraulic Roller Camshafts
Product Attributes - UPC
036584267768
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
High performance street/strip, needs 9:1 compression, 2,500+ stall, intake, gears and headers, rough idle.
Product Attributes - Basic Operating RPM Range
2,200-6,200
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
0.574 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.558 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.574 int./0.558 exh.
Product Attributes - Lobe Separation (degrees)
108
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
47S 291MTHR-8
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca48-601-10
SFX Item ID 4120434
Supplier Item Code 4120434
Manufacturer SKU 48-601-10
Manufacturer UPC 36584267768
Alternative References C409, 47S291THR8

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
  • MakeCHEVROLET
    Beginning Year1961
    Ending Year1965
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size6.7L/409

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