This package includes everything you need to revitalize your skateboard trucks! Included are Independent Truck Cylinder bushings at 88a for maximum customization and control, fortifying Dimebag axle and kingpin nuts (thread sizes 5/16" and 3/8" respectively), 8 axle washers and 4 bearing spacers- ensuring the longevity of your bearings. This kit features standard size products and will fit on all skateboard/longboard trucks that have 8mm axles (virtually every truck has the standard 8mm axle size).