This is a replacement O.S. Engines Crankcase, and is intended for use with the O.S. 91HZ F3C and the 91HZ-PS 3D Helicopter Engines.
Saturday, Dec 25 2010 (about 10 years ago)
O.S. Engines Crankcase
Do any body no if this o.s Engines Crankcase will fit on part of a O.S engine max 91 RZ-H ring..