GM 700R4 Transmission Valve Body Up-Shift Sleeve
The Superior Transmission Parts Up-Shift Sleeve will service all 700R4 transmission valve bodies manufactured from 1981 to 1993. This sleeve allows full throttle 3-4 shifts. The 4-3 detent will become less sensitive at part throttle. The 700R4 Up-Shift Sleeve can be installed without removing the valve body from the case.
Superior Transmission Parts Number: K015
