Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Signature Idle With Street Dominating Performance. The Comp Cams Big Mutha Thumpr Hydraulic Roller Camshaft is designed for enthusiasts seeking maximum street and strip performance without sacrificing drivability. With an aggressive 243/257 duration and lobe separation engineered for a deep, choppy idle, this camshaft not only boosts your engine’s auditory presence but also delivers solid performance gains where it counts—through the mid-range torque curve.
Power and Sound in One Package. Designed to work seamlessly with stock-style hydraulic roller lifters, this camshaft provides improved airflow, throttle response, and usable power across the RPM band. It is best suited for builds equipped with performance intake and exhaust systems, along with a tuned ECU and torque converter upgrades for optimal results.
Installation. This product requires advanced mechanical skill and tools for proper installation. Professional installation and tuning are strongly recommended for best results and engine compatibility.
Application. This Comp Cams Big Mutha Thumpr 243/257 Hydraulic Roller Camshaft fits 1994–2002 5.2L and 5.9L V8 RAM 2500 engines.
Comp Cams 20-603-9
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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