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Mishimoto's 155°F racing thermostat for 1986–1992 Toyota Supra applications opens at a lower temperature than stock to improve coolant circulation earlier in warm-up. That earlier opening helps reduce peak engine temperatures associated with modified and turbocharged setups, promoting more stable operating temperatures. The thermostat is presented as a fitment-specific upgrade for Supra owners seeking improved cooling control.
Mishimoto 86-92 Toyota Supra 155 Deg F/68 Deg C Racing Thermostat
