The HPS High Temp 3-ply Reinforced Silicone Radiator, Heater, and Expansion Tank Coolant Hose Kit is designed to replace stock OEM rubber coolant hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and racing inspired design, this silicone hose kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintain peak efficiency during competition or daily driving. HPS silicone hose kits have all the correct bends and sizes for a perfect fit replacement for your OEM rubber coolant hoses. Compared to the universal hoses you can get from the local auto store, HPS silicone hose kits are much easier to work with. Maximum temperature rating: 350 degrees Fahrenheit. 100% stainless steel clamps are included for easy installation.