COMP Cams Mutha' Thumpr 234/249 hydraulic flat camshaft for Cadillac 425, 472 and 500 applications is built for high-performance street and strip use. It requires supporting modifications, about 9:1 compression, a 2500+ rpm stall converter, intake, headers and gearing, and will produce a rough idle while delivering substantial top- and midrange power.
COMP Cams Camshaft Cadillac 287T H-107