valve cover mystery??

I have a 1993 CVPI and ive looked everywhere for a set of chrome valve covers to no avail.This is one of many accessories i would like to add to my crown.Are crowns like the most difficult car in the world to find upgrades for or what? :banghead: Figures...............anyone out there can point me in the right direction?I really wanna dress her up,inside and out...............thanx