Upgrade your classic ride with the 1970 Chevrolet Fullsize Engine Harness, specifically designed for big block engines equipped with H.E.I. (High Energy Ignition) systems. This premium wiring harness ensures optimal performance and reliability, providing a seamless connection to your vehicle's engine. Unlike generic alternatives, our harness is modified to accommodate the GM H.E.I. distributor, making installation hassle-free and ensuring longevity for your restoration project.