This is a Spinner Adapter Kit by Great Planes.
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 each
spinner perfectly on its baseplate.
Machined for accuracy
This spinner adapter kit will fit the following engines:
-O.S. FS 70-120 Surpass
-O.S. 1.40 RX
**Does not fit the OS FS-70 Ultimate or the FL70**
One year quality guarantee
Installation instructions provided on the header card
INCLUDES: (1) Propeller Nut
(1) Propeller Jam Nut
(1) Propeller Washer
(1) Aluminum Backplate Bushing
REQUIRES: 12mm Wrench To Tighten Propeller Nut
Aluminum Spinner w/Center Mounting Hole
SPECS: Shaft Size: 5/16-24
Jam Nut Length: 1" (25mm)
Backplate Bushing Inner Diameter: 5/16"
Outer Diameter: 3/8"
COMMENTS: The correct adapter for a FS-70 Ultimate and FL70 is GPMQ4585.