HPS 57-1539 Blue and Orange High Temp Reinforced Silicone Intercooler Turbo Hose Boot Kit with T Bolt Clamp Vehicle Application: Ford Late 1999 - 2003 F250 / F350 / F450 Superduty 7.3L PowerStroke Diesel. Does NOT fit Early 99 model with build date before 12/98 & Ford 2000-2003 Excursion 7.3L PowerStroke Diesel Replace stock OEM Hoses with reinforced fluro lined silicone; No more worries about hoses blowing off during the competition or daily driving. Max. Temperature Rating - Cold Side: 350 deg. F , Hot Side: 500 deg. F. Race proven design combines with heat and oil resistent high temp silicone, designed to withstand over 100 PSI of boost and ensure the long lasting quality. Includes HPS heavy duty stainless steel spring loaded T-Bolt Clamps