HKS High Pressure Radiator Cap Limited Race Edition for the Mazda RX-8. In a cooling system, a higher pressure equates to a higher boiling point for the coolant. Higher coolant pressures also transfer heat from the rotor housings more efficiently.
- Specification is 1.1 kilograms per square centimeter
- Made in Japan
- Exclusive line of branded accessories and apparel lets you make a style statement