TCI 377311 Speedo Control Box Kit with Clip on Cable

Compatible with GM® style speedometer cables. This product is not created or sold by GM®.;

TCI speedometer control units are the perfect solution to retrofitting an electronic transmission. These economical adapters pigtail into the electronic speedometer harness and have a connection to power a cable-driven speedometer. They are fully configurable for any tire size and rear gear ratio. Cables made to fit specific transmissions are sold separately.;