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 ...
This a replacement O.S. Engines Screw Set, and ...
includes four 3x8mm rear cover plate (back plate) screws, and six 3x15mm cylinder head (cooling head) screws. These screws are intended for use with the .46AX and .55AX engines. This product was ...