COMP Cams 217 Two-Piece Billet Aluminum Timing Cover for Chevy Big Block Gen VI

Two-Piece Billet Aluminum Timing Cover for Chevrolet Big Block GEN VI Eliminate timing cover flex which causes erratic ignition timing. Allow Camshaft to be replaced without disturbing the oil pan Seal. Simple endplay adjustment with dial indicator access hole. Integrated timing pointer simplifies ignition timing checks. Compatible with all water umps and most Gear drives.