Rossler Transmissions offers a cheap alternative for transmission controllers and this Ross-Lock makes it a simple installation.

Gearstar’s 4L80E Level 4 transmission lists for $3,895, and the optional HGM Compushift electronic trans controller runs $850 extra. See All 16 Photos ...

PerformaBuilt 4L80E Transmission - Bang-Shift - Tech A Robust 4L80E Transmission From Performabuilt Is Designed For The Serious Player In The Horsepower Games ...