Ford CD4E Transmission Transgo Shift Correction Kit This Shift Correction Kit from Superior will improve all CD4E Transmissions from 1994-On Fits CD4E, LA4A-EL 1994-Up Ford, Mazda 626 Escape, Tribute, Contour, Probe, MX6 1994-Up Includes EPC relief system, TCC/Lock Up boost valve assembly and other calibration items to improve overall drivabilty and durability. Addresses Runaway excessive line pressure and resulting parts breakage. Fixes converter slip, bushing wear and planet burnups. Fixes code 628 and low lube oil condition. Installation recommendation: Experienced technician Transmission removal necessary: No