Revitalize your classic ride with the 1957 Chevrolet Fullsize Classic Update Series Wiring Harness System. Made specifically for 1957 models, this expertly engineered harness brings your vehicle's electrical system into the modern era. With flexible routing options and compatibility with popular custom, aftermarket, and reproduction accessories, you can easily tailor your setup to fit your needs. Upgrade your classic car without compromising its authenticity!