Kit includes 1 fork oil seal and 1 fork dust seal to service one fork leg. Order 2 kits for one motorcycle. Replacement for 45875-84A oil seal. Replacement for 46175-00 dust seal is included but used on some FXSTD, FXSTC, FXS only. - 20% less dynamic friction - Improved feel and smoothness - Increased life and performance - Enhanced water and dirt protection - Reduced wear and air suction - Reduced stiction - Excellent temperature stability - Longer lifespan than regular fork seals