Hi, Looking for a little help or direction with a search. I have a nice 33 with an unusual set of solid, stainless, cast one piece nerfs and would like to purchase an identical set to modify for use on the rear. They are not at all the typical round tube welded to a flat plate but rather cast in one piece with the actual push bar a square item with all rounded corners. I'm attaching a couple photos. Also looking for the company that made the one piece rear coil over spacers that used both hole on the rear mount for attachment. Any help would be greatly appreciated.