i wish i knew. i bought the trans used from max. it came with a shift kit and a hardened 4 th hub. bill and max both did the work, and neither one remembers what kit it was.

the transgo is one of the favs here, and theres another one people like as well. both are like 40 bucks on ebay.


http://www.ebay.com/itm/TRANSGO-SK-4...-/260334831607