When you need replacement release valves for your TCI trans-brake, go with the originator. TCI's valve body components are direct replacements and ensure a perfect fit and operation. TCI offers replacement components for all of their trans-brake control valves to assist you with repair and maintenance. Your valve body is the brain of your transmission, and your trans-brake allows you to achieve quicker and more consistent reaction times; keep it functioning effectively with proper care and TCI replacement trans-brake release valves.