Vehicle Fitment: 1991-1999 Eclipse GST/GSX & Talon TSi 1991-1999 3000GT & Dodge Stealth (all models) * Does not fit 1990 1G DSM * Description: The STM Fast Idle Air Valve Bypass Plate is cut from 1/8" aluminum and when sandwiched in the lower half of the throttle body, this blocks the unwanted FIAV passages, allowing you to retain a factory appearance and keep your ISC functional. Does not work with 1990 DSM throttle bodies. Includes: (1) FIAV Bypass Plate