O.S. .20-.40FP .25-.46FX & SF. Features: Adapter kit for aluminum spinners This steel adapter kit tightens the backplate & propeller onto the engine, then using a single bolt-on design, holds & centers ...
This a replacement O.S. Engines Propeller Nut, and ...
is intended for use with O.S. engines that have a 5/16-24 crank thread. This Part Is Used With The Following O.S. ... ... NOTE: This part may be compatible with other O.S. ...