Upgrade your classic ride with the GM 1956 Chevrolet Fullsize Engine Harness. Designed specifically for manual transmission vehicles featuring dual 4 barrel carburetors, this premium wiring upgrade ensures optimal performance and reliability. Say goodbye to frayed wires and unreliable connections, and enjoy enhanced electrical efficiency that elevates your vehicle’s vintage charm. Unlike generic options, this harness is crafted for a perfect fit, helping restore your classic car to its former glory.