Trans Go Performance - 40-2
C4 1970-81 Reprogramming Kit with Gear Command
Shift and hold 1st and 2nd gear to any RPM when manually shifted but retains automatic up shifts in drive position. Raises overall line pressure with quicker action throughout all shifting! Get 75% quicker 2-3 shifts with more pressure for passing gear between 32-45 mph. This kit provides firm shift performance.