This is the Heatsink Head for the O.S. Max 55AX Engine, (OSMG0556).
This part, also known as a cylinder head mounts to the top of the
crankcase, holds the glow plug and has cooling fins to dissipate heat.
FEATURES: Replaces damaged cylinder heads.
One-piece aluminum construction with brass gasket insures tight fit
INCLUDES: One Heatsink Head for the O.S. Max 55AX Engine
One brass washer.
REQUIRES: Screws #79871150 (OSMG8791) to mount cylinder head to crankcase.