1998 Aviomac (made in Italy; formerly known as Mac-Minarelli) 85cc Twin RC Four Cycle ignition model airplane engine , ignition electronics, spark plugs, and polished mufflers. 

These engines are quite well built and remarkably smooth running due to roller bearing connecting rods and three ball bearings supporting the crankshaft.  These have performance ideal for sport flying and are known for longevity and easy handling.  The hand-worked Italian mufflers have their original surfaces polished and do not yet have a tap screw installed for setting the length/angle. 

1998 Aviomac (made in Italy; formerly known as Mac-Minarelli) 85cc Twin RC Four Cycle ignition model airplane engine , ignition electronics, spark plugs, and polished mufflers. 

These engines are quite well built and remarkably smooth running due to roller bearing connecting rods and three ball bearings supporting the crankshaft. 

The hand-worked Italian mufflers have their original surfaces polished and do not yet have a tap screw installed for setting the length/angle.