Team Z Motorsports offers Multi Pattern Aluminum Wheel Spacers 4-1/4″ / 4-1/2″ / 4-3/4″ for 1/2″ Wheel Studs. These spacers come in either 0.125″ or 0.250′ Thickness, and sold in pairs. The overall diameter is 6-1/4″ with an internal bore diameter of 3-1/8″. These spacers are constructed of 6061 Aluminum, and are CNC Laser Cut in house.