Originally Posted by klhansen
Check mcmaster carr. They have lots of options on hardware.
Link
McMaster Carr has everything to make about anything and they will get it to you spooky fast. If you want to go top of the line ARP is the way to go. They are designed to be retorqued. A standard bolt can only be torqued once and be in spec.

Old enough to know better, too young to resist.