New aftermarket Mishimoto racing 177 degree thermostat for NB Mazda Miata. This thermostat opens at 177 degrees F or 80.5 degrees C. Part number MMTS-MIA-99. Fits 1999-2005. California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov Photographs are stock photos only and the purchased product may vary. Photographs of the purchased product can be emailed upon request.