Honda 00-09 S2000 Fail Safe Thermostat Year_16-21 Swift Spec-R Sport Springs were

Swift Spec-R Sport Springs were engineered with 3 characteristics in mind

there will be no fitment issues at all

it is held in place

It is compatible with all fuel types including popular alcohol mixtures such as E85

Honda 00-09 S2000 Fail Safe Thermostat Year_16-21 Swift Spec-R Sport Springs wereFail Safe thermostats offer premium, patented technology for superior protection over any thermostat on the market for the Honda S2000 00 09 Models. Only Fail Safe is designed to lock in the open position when overheating occurs due to a failing cooling system component. This allows maximum coolant flow, thus preventing expensive engine damage. Locking technology prevents costly engine damage Consistent and precise response to cooling system needs