PE 400 vs RM 400 bottom ends?

[crankpin]

Here's a couple of pre-owned ones.

http://www.ebay.co.uk/itm/78-rm400-rm-400-crankshaft-crank-rod-vintage-/230742166176?pt=Motorcycles_Parts_Accessories&hash=item35b94e0aa0

http://www.ebay.co.uk/itm/1978-Suzuki-RM400-RM-400-Crankshaft-Crank-Rod-/120844017290?pt=Motorcycles_Parts_Accessories&hash=item1c22dd5e8a

There was a chap a couple of weeks ago selling billet rods. Can't find him now though.