Description:

4" x 4" Live Axle Hub 1" to 3/4" Step-Down. For 1005 Rims 8" x 7", 18" x 9.50-8 Go Kart. Diameter: 5" (125 mm), Length: 2-3/4", Keyway & key size: 1/4" (6.5 mm). Mounting lugs (across): 4", Lug length: 1-1/16", Lug thread: 1/2x20. Inboard axle bore diameter: 1", Outboard axle bore diameter: 3/4".