Aluminum wheels include center caps.Lug nuts sold separately. Attention!Orders for tires and wheels that are to be assembled, must be added to the cart tire first then the wheel on which the tire should be mounted. Example - An order of four (4) TIR-217 mounted on TIR-400 and eight (8) TIR-217 mounted on TIR-RX190 would be entered as follows: Qty 4 - TIR-217 Qty 4 - TIR-400 Qty 8 - TIR-217 Qty 8 - TIR-RX190 Any deviation from this format may result in the incorrect assembly of tires and wheels in addition to possible order processing delays.