TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-1&2 016438NRRS Available for standard exhaust port

Available for standard exhaust port engines only

15┬ ¼Î“ê₧ or 20┬ ¼Î“ê₧ during cranking

5/16" BoltYou've invested in horsepower

no matter how much sweat and champagne it's seen

TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-1&2 016438NRRS Available for standard exhaust portTransGo 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