HPS 57-1021-BLK Black Silicone Radiator Coolant Hose Kit Vehicle application: Honda 2006-2011 civic Si Replace stock OEM rubber radiator hoses which can eventually weaken over time, leading to premature failure Withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving; Max temperature rating: 350 deg. F (177 deg. C) Ideal replacement or performance upgrade for the OEM rubber hoses; Race proven design ensure the long lasting quality over the stock rubber hoses Includes 100 percent stainless steel industrial grade liner clamps which would not cut thru the silicone hoses