RC4WD 6 Lug Steel Wheel +6 Hex Hubs are an option for RC4WD 6 Lug Stamped, Mickey Thompson MT-28 and Classic Lock, and Raceline Monster wheels. These machined aluminum 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.