This makes me sad...

http://www.ebay.com/itm/DODGE-DART-...t=Vintage_Car_Truck_Parts_Accessories&vxp=mtr

Is it this difficult to find these rollers? Mine is busted in my 70 Dart and I need one to keep the bugger on the track, but should I just start looking for the whole regulator? If that's the case, what years are compatible? .,,ssiiiggh...