RC4WD 6 Lug Steel Wheel +6 Hex Hubs are an option for RC4WD 6 Lug Stamped, Mickey Thompson MT-28 and Classic Lock, and Race line Monster wheels. These machined aluminium hubs will increase track width by 6mm per side (when compared to the stock hubs), and will give your stamped wheels 4.75mm backspacing. Package includes four +6 hubs.