Upgrade your classic 1973-1974 Chevrolet Chevelle with our premium Engine Wiring Harness. Specifically designed for the 454 cubic inch engine paired with a manual transmission, this harness guarantees optimal performance and reliability. Crafted with superior materials and thoughtful engineering, it provides a seamless fit that surpasses generic alternatives. Whether you're restoring your muscle car or enhancing its capabilities, this harness is your essential solution for a trouble-free, electrifying ride.