I have a 1954 25 rude that has a shot power head but is otherwise complete, I was just given a 1957 rude 35 bigtwin power head, Will the 35 P/H bolt/swap onto the 25 lowers ? I do know that the 54 has a different stator plate & throttle set up, (cable) could this all work on the 35 P/H ? tks