The longer shift lever was fitted to the M37B1 and is easy to swap (just have to loosen one bolt) with the shorter unit fitted to the M37 transmission. If you can't find somebody with a B1 that wants to part with a shift lever, give Bill Lammers in Florida a ring as he has an extension for the short lever for sale... Bassically, he's got a piece of rod that has a threaded end for you shift knob, and a threaded pocket for the threads on your current shift lever... Easy to make yourself, but he has them on the shelf...