Transgo 400-PRO Valve Body Reprogramming Shift Kit fits GM TH400 (SK400-PRO)* Featured Products 4 Underdrive High Energy Friction

4 Underdrive High Energy Friction Clutch Plates

Other Part Number: 22916-3

background-color: #4CAF50

See chart below for usage details and other boost valve options

BRAND NEW PUMP ASSEMBLY

Transgo 400-PRO Valve Body Reprogramming Shift Kit fits GM TH400 (SK400-PRO)* Featured Products 4 Underdrive High Energy FrictionBrand: TransGo Performance Type: Shift Kit Interchange Part Number: T34171 Manufacturer Part Number: 400 PRO Country Region of Manufacture: United States Universal Fitment: Yes Vintage Part: No Performance Part: Yes TH400 3L80 Valve Body Shift Reprogramming Kit With Gear Command Fits all 400 1965 on Features: Automatic shift Street or full race Holds 1st and 2nd to any RPM Back shifts to 2nd and 1st at any RPM Tow&Go, competition, pro race, heavy