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The COMP Cams Mutha' Thumpr NSR 234/254 hydraulic roller cam delivers an aggressive idle and significant top-end power above 4900 RPM for Ford 4.6 3V engines. It pairs best with converters and gearing that support its characteristics and requires a cam phaser upgrade and custom tuning. While compatible with stock valve springs, this cam is the largest recommended for stock heads.
COMP Cams Camshaft Set F4.6 3V Mod. MT2
