Tony's Parts has the chrome version of this repoped. Plastic, IDK.

http://tonysparts.com/newproductsB.htm

pull about 1/2 way down the page, on the left. Says for B body but I believe they are a nearly universal part on Mopars. Check with Tony, he might even have the plastic ones too in his warehouse of Mopar goodness. He should be at Carlisle too.