Elevate your vehicle's performance with the GM Transmission Kickdown Harness, designed specifically for 1971-1976 Chevrolet Fullsize models. This high-quality wiring harness ensures optimal engagement of your T.H. 400 automatic transmission, unlocking the full potential of your engine. Its superior construction and precise fit set it apart from generic alternatives, allowing for seamless installation and reliable operation, so you can enjoy smoother shifts and enhanced responsiveness on the road.