Wheel Adapter 5 Lug 4.75" To 5 Lug 4.75" (Pair) 1)6061 T6 billet aluminum 2)Process:Precision forged+CNC machined 1)This type ... of adapter is used for 5 ... )CNC machined billet aluminum and thickness options are 1", 1.25", 1.5" ,2",2.25",2.5",3"3)These adapters can be used ...