Koyorad Radiator Cap (Red / 1.3 Bar) GruppeM Key Benefits and Performance Gains:

Key Benefits and Performance Gains:

Please select the colour of your car from the drop down box to ensure you get the correct coloured sticker for your car

temperature fluctuations which can affect viscosity are reduced meaning significantly improved damper performance

The easy-to-use app works with your smartphone or tablet to wirelessly customize your gauge in minutes and is a lot easier than trying to configure your gauge with only buttons on the front

For high-powered applications

Koyorad Radiator Cap (Red / 1.3 Bar) GruppeM Key Benefits and Performance Gains:The Koyorad hyper cap is crafted in Japan from high quality materials to ensure longevity and performance from your Koyorad Racing Radiator. The Hyper Cap withstands an increased valve pressure rating of 1. 3kgf cm2 (1. 3 bar) (18. 9 psi) (130 kPa) which increases the boiling point of water and relieves high performance engines of excessive heat. These are highly recommended for use with every Koyorad Aluminium Radiator (when applicable). Which Colour