B&M 70244 Torque Converter Lockup Kit Gives you control over the converter lock-up settings based on vehicle speed (between 30 and 90 MPH) Convenient dash mounted control unit features on\off switch, lock-up speed selector knob, and an LED to indicate if converter is locked or unlocked For select automatic transmissions with lockup converter and mechanical speedometer cable 8ppm pulse rate Kit includes switch box, wiring, and other necessary parts; not legal for sale or use on emission controlled vehicles Backed by the manufacturer with a 1 year limited warranty