Kit Includes 2 Conical Bushings (Upper) 2 Cylinder Bushings (Lower) 2 Pivot Cups 2 Upper Bushings Washers 2 Lower Bushing Washers 4 Axle Nuts and 2 Kingpin Nuts Soft vs Hard Bushings Softer bushings (88A-94A) are used for lighter riders or riders who like loose trucks. Harder bushings (95A-99A) are for riders who want really stiff trucks for a stable ride. Premium USA made bushings These bushings are made with super high rebound urethane witch makes all the difference in a skateboard truck. They will keep your board riding nice and smooth. Bushings fit most skateboard and longboard trucks. The bottom bushing for most skateboard trucks is typically a cylinder shape while the top is a conical shape. This helps keep your board riding smooth.