This Is an XX-Long Propeller Adapter Nut from Dave Brown Products.|
Plain black, CNC machined steel construction
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.
(1) Propeller Adapter Nut
(1) Propeller Washer
1/2" Wrench, GPMP2000
Spinner Cone & Bolt
Crankshaft Thread Size: 10mm
Nut Length: 1.25"
Although it will depend on the thickness of your prop and the
spinner size, as a general rule, always use the longest adapter