Silicone Radiator Hose Kit For Nissan Silvia 200sx 240sx S13 S14 S15 SR20det BK Made of High Quality Silicone For High Temperature and High Boost Application 3-Ply Nylon for Strong Reinforcement and Full 4.5mm Thickness Withstands Operating Temperatures from -65F to 500F Degrees Fahrenheit Working pressure 85 PSI / Burst pressure 245 PSI