Redesigned self cleaning valve.

TH200 Transmission Shift Kit 1976-1979
Corrects, prevents or reduces reverse delay,
3-2 down shift clunk, soft 1-2 shift, bind up 2-3 shift,
2nd gear starts and late shifts.
Comes with complete, easy to follow instructions.

TH200C Transmission Shift Kit.
Corrects, prevents or reduces reverse delay when hot,
down shift clunk when stopping, 1-2 slide or slide bump shift,
2-3 cut loose or flare and 3-2 kick down cut loose or flare.
Comes with complete, easy to follow instructions.