Not sure if you're looking for the cap that covers the top part like some of the factory ones, or if you're looking for the full covers. If you're looking for the factory part, follow this link. I'm pretty sure you'll have to get it painted, but for the size of them, it can't cost that much.
Finally Retired from the Navy after 23 years! 2005 SCAB, Dark Toreador Mettalic XLT 4x2, Edge Evolution Programmer, AutoSpring 1.5" Level, Saleen Grille, Halo Heads, Smoked LED Rear Tails, Truxedo tonneau cover, Westin Bars, Giovanno Rims, Nitto 420 Tires, Weathertech Mats, Line-X Liner, Kenwood NAV/DVD with Subwoofer.