A friend has a nice old Sugino AT triple crank he wants to install on an old Centurion. His LBS told him that he would have to acquire a special asymmetrical spindle, a Sugino MT 68 to make the installation work. Is the LBS correct?

According to Sheldon Brown, a 127.5 bottom bracket with a 2mm spacer on the drive side will work.

Sheldon Brown's Bottom Bracket Size Database

If your friend lives near a bike co-op, they likely have asymmetrical bb spindles (ask me how I know this-)

I have a couple of those cranksets and can confirm that yes, you do need the asymmetric spindle. As mentioned above it's possible to substitute a symmetric spindle and live with the left crank arm set further out, but I wouldn't recommend that since AT cranks have a large 'q-factor' to begin with. Good luck with the search.

Thank you all for your comments. It's great to be able to rely on the experience and willingness to share that you guys offer.