TCI Automotive is one of the world's largest manufacturers of high-performance aftermarket drivetrain products, specializing in transmission packages, controllers, torque converters, shifters, valve bodies, and more. The company offers a wide range of products and accessories for racers and street enthusiasts, including drivetrain tools, service kits, and fluids. TCI Automotive is a member of the Edelbrock Group™ family of brands and is headquartered in Olive Branch, Mississippi, with operations in Ashland. The company's core focus is on providing high-quality transmission products and superior customer support to support the automotive lifestyle and passion for American pastime.