Tire size (diameter)
NOTE: If You Are Reading This I STILL Have Them:: GMC 1500 Centre Caps 5 BOLT. 4 of them. 2 say GMC, 2 say 1500. One of the 1500 ones is brand new. Plz see pics. $30, pick up near Minden disregard the 10 above, kijiji needed a entry.