Upgrade your classic Chevrolet's electrical system with the premium Engine Harness from Lectric Limited, specially designed for 1965 and 1966 Fullsize models. This high-quality wiring harness ensures reliable connections for your 283 and 327 cubic inch engines equipped with factory gauges and C.A.C. A/C. Unlike generic alternatives, our product is tailored for a perfect fit and enhanced performance, giving your vehicle the reliability it deserves.