Upgrade your classic ride with the 1972 Chevrolet Engine Harness, designed specifically for Chevelle, El Camino, Monte Carlo, and Malibu models. This high-quality wiring solution ensures reliable performance and ease of installation for your small block engine with a T.H. 400 automatic transmission. Unlike traditional harnesses, this modified version is tailored for use with a GM H.E.I. distributor, offering improved ignition and operational efficiency.