Silicone Radiator Hose Kit Clamps Fit For 1967-1972 CHEVY C/K SERIES C10 PICKUP 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