The Supertech Inconel exhaust valve is a +1mm oversize single for the Mitsubishi 4B11 used in EVO X applications. Offered one-per-order, the oversize valve is intended for head work and seat machining where a slightly larger exhaust valve is required. The part is listed as an individual item and handled via drop-ship.
Supertech Mitsubishi 4B11 EVO X Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)