THM400 TH400 400 3L80 Transgo 400-1&2 Reprogramming Shift Kit (SK400-1&2) Alto actuator feed limit valve bore

actuator feed limit valve bore wear results in low pressure at the shift and control solenoid valve assembly

420” dia

The torque converter clutch regulator valve bore is very prone to wear causing the TCC slip complaints and related code

no 4th Gear or a burned 4th clutch

THM400 TH400 400 3L80 Transgo 400-1&2 Reprogramming Shift Kit (SK400-1&2) Alto actuator feed limit valve boreBrand: Transgo Other Part Number: TRG 400 1&2 Type: Shift Kit Interchange Part Number: T34169 Manufacturer Warranty: Yes Manufacturer Part Number: 400 1&2 Country of Manufacture: United States Surface Finish: Professional Grade Country Region of Manufacture: United States Universal Fitment: Yes Vintage Part: No Performance Part: Yes Reprogramming Kit With Gear Command Fits all 400 1965 on Heavy duty and high performance valve body calibration and