Silicone Radiator Coolant Hose Kit Clamps For 2001-2004 SUBARU IMPREZA GDB MK8 WRX Blue 1 year warranty 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