Hi, in ordering the Kameari CR gear set for the RB20 71C gearbox, I noted that these guys have the 0.838 gear set available referred to here. (My first post so I'm not sure how it works)
http://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CC0QFjAA&url=http%3A%2F%2Fwww.nissanroadracing.com%2Fshowthread.php%3Ft%3D5110&ei=r3kDVbWmB4SQ8QWrtIBY&usg=AFQjCNH7_habyUkpXn-qO6PznYHIi0EqVA&bvm=bv.88198703,d.dGc&cad=rja
Cheers Andrew