Silicone Coolant Radiator Hose Kit Clamps For 1986-1993 Ford Mustang GT LX Cobra 5.0 Black 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