There is a fella outta Atlanta Georgia, that sells some really nice rustfree truck parts, he also has a place around London Ontario he goes to all the time with stuff. I'm sure he has what your after. His name is Dave, is business is called "the Chop Shop" funny but legit, I checked!
His email is:
www.thechop1344@earthlink.net
give him a try, hope that helps.