US Shift Quick 4 Transmission Control System, GM 4L80E and 4L85E
MicroSquirt CANBUS 4L80E Transmission Controller and Harness — Godzilla Raceworks
4L80E Manual Control Box
Chevrolet Performance Parts - 19332780 - CPP Automatic Transmission Controller Kit - For GM 4L80E,4L85E includes controller, Harness, Software, USB cable
F.A.S.T EZ TCU Transmission Controller Digital Display/Harness - 4L60E/4L65E/4L80E/4L85E
TCI Auto 302820 TCI EZ-TCU Automatic Transmission Controllers | Summit Racing
B&M Shift Plus 2 Transmission Controller (93-13 4L80E/93-07 4L60E) 120001 - Beefcake Racing
TCI 302611: Wireless EZ-TCU Transmission Controller Upgrade | GM 4L60E/4L65E/4L70E/4L80E/4L85E, 4X and 6X Transmissions | Bluetooth | Tuning | iOS | Android - JEGS High Performance
Holley Terminator X Max MPFI Controller Kit for LS1 LS6 24X Engines with DBW Throttle Body & 4L60E 4L80E Transmission Control - No Handheld - TREperformance.com