Upgrade your classic 1967 Chevrolet Chevelle, El Camino, Monte Carlo, or Malibu with our premium Engine Harness and Lead Wires, specifically designed for big block engines and equipped with a modern High Energy Ignition (H.E.I.) system. This harness not only ensures reliable power delivery to your engine but also enhances safety with built-in warning light capabilities, making it a top choice for enthusiasts looking to get the most out of their vintage ride. With our product, you’ll experience better engine performance and peace of mind on the road.