3-ply reinforced silicone, replaces rubber radiator coolant hoses. The HPS High Temp 3-ply Reinforced Silicone Coolant Hose Kit is designed to replace stock OEM rubber upper and lower radiator, upper bypass, and coolant expansion tank 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. This silicone radiator hose kit features a 5-way aluminum joiner to connect the lower radiator hose branches. The aluminum joiner is significantly stronger than the stock plastic part, reducing the chances for failure in your cooling system. 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. Ideal replacement or performance upgrade for OEM rubber radiator hoses which can eventually weaken over time, leading to premature failure. Withstands harsh high temperature and high pressure operating conditions while maintaining peak efficiency during competition or daily driving. Max. temperature rating: 350F (177C). Includes HPS 100% stainless steel industrial grade embossed hose clamps which will not cut through the hoses. Race proven design ensures long lasting quality over the stock rubber hoses. Replaces OEM PN: 7R3Z-8260-B, 7R3Z-8A595-C, 7R3Z-8A595-B, AR3Z-8276-A, HR3Z-8286-B.