Pretty sure my PZ has the wrong legs - no ribs - but in 5 years I haven't been sufficiently motivated to take action to correct it. I do swap out bolts when they are wrong.
the WPC style legs are also on my SWE1 and I think that's correct for Pin2k.
-Rob
-visit http://www.kahr.us to get my daughterboard that helps fix WPC pinball resets or for my Pinball 2000 H+V video sync combiner kit