DDK - Die Deutschen Klassiker

Looking for recommendation(s) for the refurbishment of the '65-'71 threaded engine mounted BEHR oil cooler and the sort of cost involved; I presume they need a sonic clean, mine will also need a bit of straightening on the bottom corner where they usually get knocked?

Thanks in advance for any pointers.

Pro Alloy in Haverhill, Suffolk is who I use. Proximity was the first determining factor but they're always excellent so I've never looked elsewhere.