Complex sentence: The 108-2 was essentially the same as 108-1, with exception of replacing the engine & inflight adjustable rudder trim, 1252 built; there was a conversion kit to add the rudder trim to the earlier airplanes advertised.
Split into simpler sentences: The 108-2 was essentially the same as 108-1, with exception of replacing the engine & inflight adjustable rudder trim, 1252 built. There was a conversion kit to add the rudder trim to the earlier airplanes advertised.