Great Planes Adapter Kit O.S. FS26-52 1/4"-28

Tower Stock# GPMQ4585  •  Manufacturer Stock# GPMQ4585
Regularly Purchased Together
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.

Notes from our tech department:
This is a Spinner Adapter Kit by Great Planes.


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 26-52 Surpass and FS-70 Ultimate
One year quality guarantee
Installation instructions provided on the header card


(1) Propeller Nut
(1) Propeller Jam Nut
(1) Propeller Washer
(1) Aluminum Backplate Bushing


12mm Wrench To Tighten Propeller Nut
Aluminum Spinner wCenter Mounting Hole
10-32 Bolt


Shaft Size: 14-28
Jam Nut Length: 1516 (24mm)
Backplate Bushing Inner Diameter: 14
Outer Diameter: 38


This adapter fits the FS-70 Ultimate not the regular FS-70.
JAL 42099


Manufacturer Contact Information