New Transgo SK 700-JR shift kit for the 1982-1993 700R4
This kit corrects the common problems with these transmissions, Stuck throttle valve; late or non up-shifts; 3-4 clutch failure; soft on slide-bump 1-2; 2-3 cut-loose; shuttle 4-3-4-3; and soft 4th shift.
Along with fixing these common problems, you'll also see an increase in the life of your transmission due to the reduced slippage.
This is the most complete shift correction kit available and definitely the most reputable.
This kit is extremely easy to install and can be done with the transmission in the vehicle.