Koyorad Radiator Cap (Red / 1.3 Bar) GruppeM At the heart of the

At the heart of the system is a bespoke prepreg carbon fibre airbox enclosure

water temperature and oil pressure senders that suit your build and add them to your order

OEM Compatibility

Idle Control

HKS Hi Power Racing is a full straight exhaust system

Koyorad Radiator Cap (Red / 1.3 Bar) GruppeM At the heart of theThe 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