Upgrade your classic ride with our high-performance Engine Harness designed specifically for the 1971 Chevrolet Fullsize with a 6-cylinder engine and automatic transmission. This wiring harness not only ensures optimal connectivity but also enhances the reliability of your engine's electrical system. Unlike generic alternatives, our Engine Harness features durable materials and precise craftsmanship to deliver seamless functionality and longevity, making it the ideal choice for restoring or upgrading your vehicle.