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The COMP Cams Big Mutha' Thumpr NSR 242/262 hydraulic roller cam is an extreme street cam best suited to stroked engines or ported heads, delivering major horsepower gains to 6,800 RPM. It produces a very rough idle and performs best with 3.73+ gears and 2,500+ stall converters. Compatible with stock valve springs but requires a cam phaser upgrade.
COMP Cams Camshaft Set F4.6 3V Mod. Bt2
