Hill Country Customs Polyurethane Handlebar Riser Bushings for 1985 & Newer Harley-Davidson Softail, Dyna & 1985-2003 Sportster models - HC-HBB101 Polyurethane Riser Bushings are 28% stiffer than rubber bushings. Provides better handling and vibration control. Replacement for OEM #s 53156-86 and 56158-73. Fits 1985 and Newer Harley-Davidson Softail & Dyna models plus 1985-2003 Sportster XL models. Note: Will Not work on Dyna Fat Bobs and Springers.