Maruha 78 Thermostat Open Long Stroke, is the most suitable accessory for tuned cars.
The product has the advantage of circulating the coolant through a radiator to be cooled with its high lift valve in large diameter.
It is considered that, in general, a low temperature thermostat wastes fuel through reducing burning efficiency in the engine.
However, Maruha's product has the advantage of increasing the radiator's cooling capacity to avoid knocking of the engine with maintaining the burning efficiency under sports driving conditions.
Maruha 78 Thermostat is named for its opening temperature at 78C degrees, which provides stable engine performance with excellent cooling capacity in sports driving.
The product is designed to start opening the valve at about 5C degrees which is 10C degrees lower than the Mazda genuine one.
Suits all NA8/NB MX5 1994-2004