OS Motors Spinner Nut .60-.91

This is a spinner nut set from OS Engines for the OS Max 60FP, 61FX & 65LA.
It provides a more sensible aim to vintage designs, such as a Piper Cub.

FEATURES:
Refined aluminum construction
Consisted of tool for installation
Prethreaded for 5/16" crankshafts

CONSISTS OF:
One spinner nut
One steel rod, to tightened up down the nut throughout assembly

REQUIRES:
Itstallation onto crankshaft

SPECS:
Length: 26.8mm
Diameter: 18.7mm (.74"), tapering to 16.8mm (.66")
Internal threads: 5/16"

COMMENTS:
This will likewise fit any OS engine with 5/16" crankshafts.
A 21mm open-end wrench can be used installation.