Upgrade your classic ride with the 1965 Chevrolet Fullsize Engine Harness designed specifically for 409 C.I. engines equipped with a GM H.E.I. distributor. This premium wiring harness not only enhances the reliability of your vehicle’s electrical system but also ensures compatibility with factory gauges. Experience peace of mind knowing that this top-quality harness is engineered for performance, longevity, and seamless installation, making it the smart choice over standard options.