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The COMP Cams Thumpr 243/257 hydraulic flat-tappet cam for Chrysler 383–440 engines brings a deliberate cam profile aimed at altering valve timing and lift to shape power delivery. It installs in compatible big-block Chrysler valvetrains and is intended for builders seeking a distinct cam characteristic while retaining a hydraulic lifter design for everyday valve actuation.
COMP Cams Camshaft CRB3 295T H-107 T Th
