HPS High Temp 3-ply Reinforced Black Silicone Radiator and Heater Hose Kit for the 4.5L I6 without rear heater is designed to replace FZJ80 stock OEM rubber Radiator + Pesky heater hoses (aka phh) and the firewall heater hoses which can eventually weaken over time, leading to premature failure. The 1FZ-FE OEM Radiator + Pesky heater hose is one of the critical part of the FJ80 cooling system that is known to be failed from anywhere between 60K and 180K miles. With premium quality silicone and race inspired design, this HPS silicone complete Radiator + Pesky heater hose kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during off road or daily driving. HPS Silicone Radiator and Heater Hose kit has all the correct bends and curves for a perfect fit replacement for your OEM rubber coolant hoses, compare to the universal hoses you can get from the local auto store, HPS hose kit is much easier to work with. Max. Temperature Rating: 350 deg. F. 100% Stainless Steel Clamps are included for easy installation.