RIVA Racing water box for Kawasaki Ultra 260X/ 250X/ 300X/310X Provides a power gain of up to 15 Hp For 2007 models you can use the RK16090 Exhaust Kit to obtain the full efficiency of the water box. For 2008 models it is necessary to use the exhaust kit RK16090-08 For the 300 you can use either the original hose or the Free Flow RK16090-08 Note: Not...
Water Box for Kawasaki 4 strokes