Craiglxviii
Senior Member
- Joined
- Sep 6, 2015
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- Cambs UK
- Your Mercedes
- 970 Panamera Turbo; W221 S500L AMG Line, C215 CL500, W251 R350L AMG Line, plus several more now gone
It’s just replacement of what’s already on the part John. Standard hydraulic piston 250ba spec hard chrome. I figured looking for a different coating might impinge in the ability of the o rings to seal effectively on it.Interesting! Going chrome rather than some kind of ceramic Craig? We have our hose making mandrels hard chrome plated , of course they are quite big (up to 10” diameter) and 100 feet long so for our needs that is economically viable, ceramic wouldn’t. Just thinking out loud really