Coolant Silicone Radiator Hose Kit Clamps For BMW E30 M20 325 325i 6cy 1988-1993 Red 1 year warranty For High Temperature and High Boost Application 3-Ply Nylon for Strong Reinforcement; Full 4.5mm Thickness Withstands Operating Temperatures from -65F to 500F Degrees Fahrenheit Working pressure 85 PSI / Burst pressure 245 PSI