This Is A Short Propeller Adapter Nut from Dave Brown Products.|
Plain black, CNC machined steel construction.
Use with 2-1/2" spinners and under.
This prop adapter kit tightens the backplate and propeller onto the
engine, then using a single bolt-on design, holds and centers
each spinner perfectly on its baseplate.
Will fit the following engines:
All YS 2-Strokes, OPS Maxi .30, Webra .61-1.20
(1) Propeller Adapter Nut
(1) Propeller Washer
Spinner Cone & Bolt
Crankshaft Thread Size: 8 x 1.25mm
Spinner End Thread Size: 10-32
Nut Length: 0.875"
Although it will depend on the thickness of your prop and the
spinner size, as a general rule, always use the longest adapter