For your consideration this is for FOUR (4) custom wheel center caps off an AMERICAN RACING Custom Wheel .
Diameter: Appx. 5" & 3/8 inches across back
Height: Appx. 5" & 1/8 inches tall.
Part Number: 1515000011
*Note: Please match up the part number on the back of your cap to what is posted above to assure correct fitment.