WTB: 3.5cc inboard engines

[Josh784]

Please send me an email at josh784@charter.net if you have anything available.

Thanks,
Josh

[Brettos]

This is a collectors item!
It's an OS MAX 20 Aero/Marine engine with an aero muffler.
The engine accourding to OS Headquarters was manufactured between august 12 1970/february 28 1971.
I want $300.00 for this piece of modelling history.