Forged one-piece design Center cap and valve stem included 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 - 20x8.5 - 20x9.5 Bolt Patterns Available are: 5on5 - 5on135 - 5on5.5