Tomei Oil Thermostat Killer For Mitsubishi EVO 4, 5, 6, 7, 8, 9, EVO 10 - 193040 Fits: Mitsubishi Lancer Evolution 4 through 10 4G63 & 4B11 Engine Chassis: CD9A / CE9A / CN9A / CP9A / CT9A / CT9W / CZ4A