Silicone Radiator Coolant Hose Kit Clamps For TOYOTA SUPRA MK3 MA70 7M-GT 1986-1992 Blue 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