These are from billets, go up to the main site, so there should be no real strength issues - sure appreciate about the crank pin / web over-lap, but don't think these dimensions are going to be extreme, and likely using superior materials. I've found another Argentinean supplier doing similar..
http://www.ercolicompeticion.com.ar/
Any chance of a group buy or discount, I could then order up a crank to convert my Fiat X19 1.5 SOHC screamer to a 1.7 with discount :-)))
Apparently a lot of the Fiat community (France Germany etc), are using the kotwica cranks, and Oliver rods... cheaper than the EU stuff...
I'm definitely in if others are interested and try and get a group buy, obviously I'm after a Fiat crank though