Arlen Ness 08-005 Handlebar Damper Kit 84-up FLT and FLHT 73-up FX , FXR , Dyna and XL (Except 04-10 XL , Springer Deuce) Polyurethane bushings add a more positive feel to the handlebars while limiting vibration. Our heavy duty cup washers will not bend or distort like factory units. Kit includes polyurethane bushings, inner steel sleeves, and heavy duty chrome cup washers.