Forged one-piece design Center cap and valve stem included except 8 LUG 3000lb load rating per wheel Maximum tire diameter of 44 inches Use 60 degree conical lug seat. Can use original lugs or equivalent. Sizes Available are: 16x8 - 17x8.5 - 18x8.5 - 18x9.5 Bolt Patterns Available are: 5on5 - 5on135 - 5on5.5 - 6on5.5 - 8on6.5 - 8on170