Re: What is needed to convert short shaft to long shaft Home › Forum › Ask A Member › What is needed to convert short shaft to long shaft › Re: What is needed to convert short shaft to long shaft jcriganReplies: 533Topics: 34 June 27, 2015 at 7:29 pm #19022 I have one here that goes on a 1959 35hp. It’s 32.5" long.