Many places to get parts. Repro and some even sell used OEM
parts.
http://www.brotherstrucks.com/
http://classictruck.com/
http://www.lmctruck.com/truck_catalog_page.htm
http://www.chevytrucks.org/
http://earlyclassic.com/page2.html
http://www.classicindustries.com/pdf...components.pdf
http://www.ididitinc.com/welcome1.html
http://www.impalas.com/departments.a...t=667&last=628
http://mar-k.com/
Most of these places will send You a free catalog.
Also go buy a Trucking magazine or some mag like that.
Truck on!