Upgrade your 1972-1973 Chevrolet Chevelle, El Camino, Monte Carlo, or Malibu with our top-of-the-line Transmission Controlled Spark Switch Harness. Designed specifically for manual transmissions, this high-quality engine harness is engineered to ensure optimal performance and reliability. Unlike generic alternatives, our harness is built to withstand the demands of your vehicle, providing smooth and accurate power delivery while enhancing your engine's performance. Experience seamless integration and superior craftsmanship that keeps your classic car running at its best.