SILICONE RADIATOR HOSE KIT FOR YZF450 YZ450F WR450 2003-2007 03 04 05 06 07 RED Full 4.5mm Thickness Made of High Quality Silicone 3-Ply Nylon for Strong Reinforcement For High Temperature and High Boost Application. Withstands Operating Temperatures from -65F to 500F Degrees Fahrenheit