Upgrade your classic 1974 Chevrolet Chevelle, El Camino, Monte Carlo, or Malibu with our premium Engine Harness designed specifically for 454 C.I. manual transmissions. This high-quality wire harness is essential for ensuring optimal performance and reliability of your vehicle's electrical system. Whether you're restoring your car to its former glory or enhancing its functionality, our engine harness stands out with superior construction, tailored compatibility, and foolproof installation.