Mishimoto MMTS-SUP-93TL Toyota Supra Racing Thermostat, 1993-1998 Turbo Fits the 19931998 Toyota Supra Lower activation temp allows coolant to flow through the engine earlier Maintains lower temperatures and extends engine life Mishimoto Activation: 154.4F (68C) / OEM Activation: 180F (82C) Mishimoto Lifetime Warranty