Can you let me know the part number mate? I might be interested if it fits my 3S. The ARP 3S rod bolts are the same part number as 22R.. So never know, maybe mains are the same also.
They're not the same as the 3s mains. However I buy 3s mains quite often (I build these engines on a regular basis) and can get you a set if you wish next time I order a bunch of parts from the USA.