The 4-speeds should all share the same driveline length. The 5-speeds are about 6" longer than the 4-speed and I don't know if the iron/alum 5's are the same length.
The 4-speeds should all share the same driveline length. The 5-speeds are about 6" longer than the 4-speed and I don't know if the iron/alum 5's are the same length.