Upgrade your classic 1965-1966 Chevrolet Chevelle with our premium Engine Wiring Harness designed specifically for small block engines equipped with factory gauges. Tailored for compatibility with GM's High Energy Ignition (H.E.I.) distributor, this harness not only enhances engine performance but also ensures a hassle-free installation. Say goodbye to unreliable wiring solutions and embrace the quality and reliability that comes with Lectric Limited products.