Upgrade your classic ride with the GM 1970 Chevrolet Fullsize Engine Harness, designed specifically for 396, 402, and 454 cubic inch engines. This high-quality harness ensures reliable electrical connections for your automatic transmission, providing enhanced performance that will outshine outdated alternatives. Crafted with precision, it makes installation straightforward and ensures your engine runs smoothly and efficiently, maximizing your vehicle's potential. With our engine harness, you’ll ensure your classic Chevy remains powered and ready for the road ahead.