This 3-4 shift valve kit fits 1982 to 1993 General Motors vehicles equipped with the 700R4, 4L60 automatic transmission. It provides wide open throttle 3-4 upshifts and includes three spring choices to help tailor the shift timing. Maximum line pressure needs to be 175 psi or higher in the D4 range to obtain WOT 3-4 up-shift. Install this kit with the TransGo Reprogramming Kit #T74171 and TV boost valve #77917-500 to get the needed line pressure.
- Corrects/Prevents/Reduces:
- Allows wide open throttle 3-4 shift
- Stays in 4th at high openings
- Includes:
- USA-made hardened steel 3-4 throttle valve
- 3-4 throttle valve bushing
- (3) 3-4 throttle valve springs