3x7mm Push Rod O-rings, intended for use with the O.S. 91HZ F3C, and 91HZ-PS 3D Helicopter Engines, as well as the O.S. FS-110-a, FS-120S-E, FS-120 III, FS-200S-P and FS-200S four stroke airplane ...

Gasket, and is intended for use with the O.S. 91HZ F3C and 91HZ-PS 3D Helicopter Engines, as well as the O.S. FS200S-P, FS200S, and FS110-a four stroke engines. This product was added ...

Nipple (pressure fitting). This Fuel inlet nipple is used in a variety of O.S. engines from sizes .12 to 2.40, so please check your instruction manual or www.osengines.com to verify that this ...