TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-1&2 016438NRRS Inlet & outlet tapped for

Inlet & outlet tapped for 3/8" NPT

Available for standard exhaust port engines only

Use With Single RPM Shift Point

Up to 14 in of Lift

Here is the base plate you will need for Walker or K&N car box

TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-1&2 016438NRRS Inlet & outlet tapped forTransGo Gear Command Automatic Transmission Reprogramming Kit GM TH400 Product Description: Automatic Transmission Shift Kit Reprogramming Kit Gear Command Separator Plate Springs Gaskets Hardware GM TH400 From stock type replacement parts to substantial performance upgrades, TransGo offers kits and components to make automatic transmissions shift better, handle more power, and improve reliability. TransGo produces shift kits, reprogramming kits, and