Upgrade your classic ride with the Lectric Limited Transmission Overdrive Harness designed specifically for the 1956 Chevrolet Fullsize models equipped with dual 4 barrel carburetors. This high-quality wiring harness enhances your vehicle’s performance by ensuring optimal electrical flow and reliable functionality. With precision engineering and top-tier materials, our overdrive harness stands out as the best choice for restoring or improving your classic Chevy's electrical system.