This is a replacement O.S. Engines Gasket Set, and is intended for use with the O.S. 50SX-H Helicopter Engine. This set contains gaskets for the backplate and cylinder head.
This product was added to our catalog on June 17, 2009
nbsp; These shims go between the head button and the top of the cylinder sleeve and can be used to adjust and fine tune the compression (deck height) of the engine. In general ...