GREDDY TRUST High Pressure High Temp Radiator Cooling Cap for Mazda RX8 (Series 1 & 2, 2003-2012)

The GREDDY TRUST High Pressure High Temp Radiator Cooling Cap for Mazda RX8 Series 1 & Series 2 models (2003–2012) is a simple but important upgrade that raises the cooling system’s operating pressure for more efficient heat control.

• Increases coolant system pressure to raise the boiling point and improve temperature stability
• Manufactured with high-quality materials and a refined tension spring for long-term durability
• Features a buffed metal finish with GREDDY TRUST branding, adding a neat detail to the engine bay
• Direct replacement for the factory radiator cap with no additional modifications needed

You will gain extra confidence that your cooling system is working at maximum efficiency, providing an additional safety margin against overheating when you drive your 2003–2012 RX8 hard.

For best results, combine this cap with hardware upgrades like the GREDDY TRUST Aluminium Racing Radiator TW-R (Series 1), the BEATRUSH Engine Cooling Under Panel and the CUSCO Radiator Cooling Panel to build a robust overall cooling package.