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 ...

Engine Bearing, and is intended for use with the O.S. 50SX-H Helicopter Engine. Dimensions: Inner Diameter: 9.5mm (.375") Outer Diameter: 22.2mm (.875") Width: 7.1mm (.280") This Part Is Compatible With 40 SF 40 SF ...

Piston Pin Retainers, and are intended for use with the O.S. O.S. 91HZ-PS, and 91HZ F3C Helicopter Engines, and the O.S. 75AX, and FS-110-a Engines. This Part Is Compatible With The Following ...