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COMP Cams Thumpr Hydraulic Roller Camshafts 33-601-11 Camshaft, Tappet, Advertised Duration 291/311, Lift .567/.551, Ford, Big Block FE, Each

SKU: CCA33-601-11

Camshafts

COMP Cams Thumpr Hydraulic Roller Camshafts 33-601-11 Camshaft, Tappet, Advertised Duration 291/311, Lift .567/.551, Ford, Big Block FE, Each

SKU: CCA33-601-11

Camshafts
A$1,279.83
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

MT 235/249 HRlrFE

Mutha' Thumpr 235/249 Hydraulic Roller Cam

Additional Information

High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

Application Summary

Fits Ford FE 352, 360, 390, 406, 410, 427 and 428

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-11-09 07:44:11

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:16:08

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca33-601-11
SFX Item ID 4776735
Accounting SKU cca-33-601-11
Manufacturer SKU 33-601-11
Manufacturer UPC N/A
Alternative References 33-601-11, CCA-33-601-11

Camshaft, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .567/.551, Ford, Big Block FE, Each

COMP Cams has awakened the muscle car sound--and it is nastier than ever! Thumpr Series camshafts is a line of cutting-edge hydraulic roller camshafts for engines originally equipped with flat tappet cams. With them, you can expect a substantial power increase without sacrificing reliability or ease of maintenance! The lobe profile and grind characteristics of Thumpr cams include blending an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap. This maximizes rough-idling tendencies, delivering a seriously aggressive exhaust note without affecting engine power output. Thumpr camshafts are available in a variety of grind profiles, each producing impressive horsepower and torque performance within a different rpm range.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number33-601-11
Part TypeCamshafts
Product LineCOMP Cams Thumpr Hydraulic Roller Camshafts
UPC036584312864
Cam StyleHydraulic roller, Retro-fit
Camshaft UseStreet/Strip
Basic Operating RPM Range2,200-5,900
Intake Duration at 050 inch Lift235
Exhaust Duration at 050 inch Lift249
Duration at 050 inch Lift235 int./249 exh.
Advertised Intake Duration291
Advertised Exhaust Duration311
Advertised Duration291 int./311 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.567 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.551 in.
Valve Lift with Factory Rocker Arm Ratio0.567 int./0.551 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind Number291THR7
Valve Springs RequiredNo
QuantitySold individually.

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