I have a Cont. O-300D for sale FWF. It has the O-300A crankshaft in it for the big 8 hole prop. It came of a Globe Swift. 0SMOH, New spark plugs and harness, New Slick mags, New alternator, Custom High Performance Cylinders (Flow Matched and Balanced, Honed Valve guides) by Performance Aircraft in Berryville, AR   For more information please call Jon at 8702179588 or David at 8702170832. Can also email at This e-mail address is being protected from spambots. You need JavaScript enabled to view it