This high-quality Slipper Plate and Hub set is manufactured from specially selected materials to ensure maximum performance in all conditions.Features:Precision manufactured parts for smooth and consistent operation - Slipper hubs constructed from high-quality aluminum for optimum heat dissipation ? Slipper plate constructed from stainless steel for wear- and warp-resistance ? Bushing constructed from brass for low-friction properties - Threaded rear hub does not require additional nutIncludes:1 x Front Slipper Hub 1 x Rear Slipper Hub 1 x Slipper Plate 1 x Slipper Spur Gear Bush (installed)