I've only had a working drivers side lock cylinder that worked, and that finally went kaput. I'm well aware that finding replacements is next to impossible if you don't feel like spending a fortune, but in searching for something I came up with ones that look similar on the exterior, but the mechanical workings are definitely different. But maybe things could be modified to work? Anyone dealt with lock cylinders that fit Chrysler Imperials from the mid 60's??
[url]http://www.ebay.com/itm/Standard-Motor-Products-DL11-Door-Lock-Cylinder-Set-/121273876625?pt=Motors_Car_Truck_Parts_Accessories&fits=Year%3A1965|Make%3AChrysler&hash=item1c3c7c8091&vxp=mtr[/url]
[url]http://www.ebay.com/itm/Standard-Motor-Products-DL11-Door-Lock-Cylinder-Set-/121273876625?pt=Motors_Car_Truck_Parts_Accessories&fits=Year%3A1965|Make%3AChrysler&hash=item1c3c7c8091&vxp=mtr[/url]