Great Planes Engine Adapter Kit for O.S. .60FP, .61SF, FX, and ST .61 Models (GPMQ4584)

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 each
spinner perfectly on its baseplate.
Machined for accuracy
Includes aluminum bushing, prop washer and prop nut
This spinner adapter kit will fit the following engines:
-O.S. .60FP
-O.S. .61 FX & .61 SF
-SuperTigre .61-.90