Product Description
2inch 51mm Aluminium Spinner
1/4" UNF adapter with M4x20 Bolt
Backplate hole 6.35mm
Solid back plate ie no lightening holes
Please note there maybe some cutting and filing to do to this spinner to fit to your prop, if you are unable / unwilling to do this please do not purchase this spinner.
Note: Due to manufacturers using different crankshaft thread sizes, the supplied adapter may not be suitable for your engines' thread and you may need to purchase an additional adapter to match your crankshaft thread.