COMP Cams Camshaft Flathead 283T H-107

Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255. Street/strip, engine modification mandatory, aftermarket heads, very rough idle.

Additional Information

Street/strip, engine modification mandatory, aftermarket heads, very rough idle.

Part Type

Engine Camshaft

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

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

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.

Product Details

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.

Reference Information

Camshaft, Big Mutha' Thumpr, Mechanical Flat Tappet

From moderate street racing to serious racing, COMP Cams Thumpr mechanical flat tappet camshafts offer increased rpm and aggressiveness to keep you out in front. Three unique cam designs--Thumpr, Mutha' Thumpr and Big Mutha' Thumpr--deliver excellent horsepower gains and broad torque curves for your musclecar and street rods. The Thumprs' early intake valve opening and long exhaust duration create optimum overlap for a powerful, hard-hitting exhaust note. If you like to be heard, COMP Cams Thumpr camshafts are for you.