Description
OSM45810100 O.S. Prop Locknut 40/48Surpass
Note: Graves RC Coupons are not applicable with this product
This is a replacement locknut and wash set for the FS 40 - 48 surpass.
Features:
This helps keep the propeller stay on the engine in the case of backfire or detonation.
The inner nut screws into the outer and locks it in place.
Includes:
1- inner prop nut 1/4-28 thread
1- outer prop nut 1/4-28 thread
1- prop washer I.D. 9mm O.D. 23mm
