Spindle for go kart, cart or wagon. Product Specs: Left Side (Driver Side) Spindle Axle: 5/8" x 6" Barrel Bore Size: 5/8" ID x 2-7/16" L Tie Rod Bolt Hole Size: 5/16" Jig-Welded for Uniformity Kit Includes: (2) 5/8" Bushings (1) 5/8" x 3-1/2" Kingpin Bolt (2) 5/8" Locknut (1) 5/8" Plastic Spacer