Upgrade your classic ride with the 1956 Chevrolet Fullsize Transmission Overdrive Harness from Lectric Limited. Designed specifically for your iconic 6-cylinder engine, this premium wiring solution enhances reliability and performance, allowing for smoother shifting and improved fuel efficiency. Unlike generic alternatives, our overdrive harness ensures a perfect fit and seamless integration into your vehicle, making it an essential component for any restoration or performance upgrade project.