International Buyers – Please Note. 100% quality assurance tested. Working temperature: -60 260 degrees. Working Pressure: 0.3 to 0.9Mpa. Size tolerance: +/-0.5mm. High quality silicone hose kit. We supply PREMIUM QUALITY all aluminum radiator, silicone hose, oil cooler, intercooler, fans and son on for racing car and motorcycle. We take any wholesale orders, Welcome to consultation. And we will do the same for you automatically! Thank you for your cooperation. Thanks for your support. Hope to see you next time!