46AX Service Cylinder Head OS24604000 by O.S. Engine  [OS24604000]

46AX Service Head Specification

The O.S. Engine OS24604000 cylinder head is a direct replacement part for the 46AX engine series. It is supplied for restoring or maintaining the engine top-end and is not presented as an upgrade for increased power.

Installation overview: disassemble the existing head following the manufacturer's prescribed sequence, assess mating faces and gasket condition, remove residue and old gasket material, then install the replacement head and tighten fasteners to the torque values specified by the manufacturer. If the service manual calls out threadlocker or a particular head gasket, follow those directions exactly.

Tuning and service role: this cylinder head is intended for routine rebuilds, bench repairs, and pre-event inspections. It helps restore sealing integrity and supports predictable warm-up and run-in when used with correctly set carburetor and ignition components.