B&M® GM LS1 Shift Plus 2 Transmission Controller

The Shift Plus 2 electronic overdrive transmission control for GM 1993-2007 4L60E and 1993-2013 4L80E is fully configured right out of the box. There is no tuning necessary but for those who demand customization the unit is also optionally fully programmable based on load, speed and RPM. Works with GM automatic transmission models 1993-2007 4L60E and 1993-2013 4L80E. Gives users complete control over most popular electronic overdrive transmissions and no laptop, hand-held tuning device, or software of any kind is required. Shift firmness, shift points, and torque converter lockup are simply adjusted with easy to use dials found on the end of the unit. Comes with a calibration for your transmission so all you have to do is drive it like it is or adjust it to suit your individual taste. Complete transmission diagnostics built in with bright LEDs right on the unit. Includes the Simple Shift control unit and wiring harness, specific to your application with clearly labeled connectors and easy to follow instructions.