For your consideration this is for FOUR (4) wheel center caps off an Ultra Custom Wheel .
The cap comes with an EXTENDER for height differentials!
Diameter: Appx. 6" and 1/2 inches across the back of cap.
Finish: Gloss Black
Part Number: 89-9780 / 89-9780-CAP / 89-9779-CAP
*Note: Please match up the part number on the back of your cap to what is posted above to assure correct fitment.