anybody know any good places to buy aftermarket parts for the original buick 215 delco remy's?
Delco Remy made all sorts of parts. Are you looking for a distributor? A starter? A generator?
For small distributor parts, I don't have a problem with NAPA or Carquest. If you're looking for a whole new distributor, I'd recommend sending the whole thing to Jeff Schlemmer at Advanced Distributors - he advertises here on this page - have him rebuild and recurve your distributor. His craftsmanship is quite good and he's always fun to talk to. I've learned a lot from him. When he rebuilt my distributor, I had him install a Pertronix Ignitor... it's working fine. He'll send your old points and condenser back to you and you can keep them as spare parts, I suppose.
If you do talk to Jeff, please ask him to hurry up with that ignition coil article he promised to write for me!
I have a spare Buick starter, but if my main starter ever dies (unlikely) I'll use it as an excuse to swap to a gear reduction starter to reduce weight. I prefer small Nippondenso alternators.