This HPS High Temp 3-ply Reinforced Silicone Coolant Hose Kit is designed to replace stock OEM rubber heater, throttle body, and expansion tank hoses which weaken and fail over time. Made with premium quality materials, this silicone hose kit can withstand harsh high temperature and high pressure operating conditions. HPS silicone hose kits have all the correct bends and dimensions for a well-fit replacement of worn out and damaged OEM rubber coolant hoses. Compared to the universal hoses from the local auto store, HPS silicone hose kits are much easier to work with. Maximum temperature rating: 350 degrees Fahrenheit. 100% stainless steel embossed hose clamps are included for easy installation.