TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-PRO OMPKC0-0826-A01-071-39 Utilizes commonly available and affordable

Utilizes commonly available and affordable GM A/C compressors

1972-1981 Chevrolet Impala

130 / 250 lb/in Springs

This number should be between 2

center section

TransGo Gear Command Automatic Transmission Reprogramming Kit - GM TH400 400-PRO OMPKC0-0826-A01-071-39 Utilizes commonly available and affordableTransGo Gear Command Automatic Transmission Reprogramming Kit GM TH400 Awesome capacity with adjustable shift timing and feel. Automatic shift street or full race. Holds 1st and 2nd to any RPM. Back shifts to 2nd and 1st at any RPM. Perfect for towing, competition, pro race, heavy duty and show off applications. Product Description: Automatic Transmission Shift Kit Reprogramming Kit Gear Command Piston Separator Plate Springs Gaskets Shims Hardware GM