Got mine from CD it seems to be holding up pretty good after about 1000 miles.
Here's what my 235 looked like right before going in the truck.
[img]http://www.chevygmcofkc.org/Gallery/data/3021/1DCP_1472s.jpg[/img]
Mongo


Mongo's Garage
Vintage GM Truck's & Parts
https://mongosgarage.com