Billet spindle nuts are a great way to attach spindle mount rims. These nuts eliminate the hassle of all the parts needed to attach the wheel with the stock nuts and locks. Simply crank on the nuts and then lock it in place with the allen bolt....King Pin Material: Aluminum Fits: King Pin Spindles Quantity: 2 PiecesBillet Spindle Nuts Fits King Pin & Combo Spindles Pair