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The Mishimoto racing thermostat for 1999–2005 Mazda Miata NB is a direct replacement that improves cooling efficiency for stock or modified engines. It opens at a lower temperature so coolant circulates sooner, reducing and maintaining cooler engine temperatures for street or track driving. This thermostat opens at 177°F (vs stock 195°F) and comes with Mishimoto’s Lifetime Warranty.
Mishimoto 99-05 Mazda Miata NB 177 Degree Racing Thermostat
