As a Store Manager of an auto repair shop, Firestone's estimate looks damn generous. I don't know if your Galant has a 4 or a 6 cylinder motor in it. But most of them have the 6. Assuming that, it looks like they are probably only marking up the part by $50 from their cost. This is extremely generous because list price is $880. Labor-wise they should only be charging you around $90. And I am sure it took a while (possibly a couple hours) to diagnose the problem, and am assuming that they are taking a loss on the labor there. Do not get a distributor from Clownzone. Excuse me... Autozone. Trust me. There is a reason why the parts are cheap. I don't care what their warranty says. With something as important as an ignition distributor, I wouldn't settle for anything less than Orignal Equipment Manufacturer. Firestone is not out of line with refusing to install an Autozone distributor. They are just trying to cover their rears. If my shop installed a customer supplied distributor from Autozone or Napa, etc.,, I would make sure I had the customer sign a waiver stating that there is no warranty whatsoever. Car repair isn't cheap. Mechanics need to earn a living too.