Upgrade your classic Chevrolet with the Lectric Limited Engine Harness, designed specifically for 1961 Fullsize models equipped with a 348 or 409 cubic inch engine. This premium wire harness ensures reliable performance and seamless connectivity, allowing you to get the most out of your vehicle. Unlike generic alternatives, our harness supports the solid lifter special high performance option and requires an external ballast resistor for the coil, making it a perfect match for your vintage performance needs.