I installed a left hand quarter and dutchman panel on my 69 Bee project this winter. AMD was great to work with. I received one of the first quarters available. The quarter,compared to what else is out there, was a work of art. Crisp lines,great detail around the sail panel of the roof and exellent fit tho the wheelhouse (original) and the doorjamb. The only work required was to repair a slight distortion behind the wheelwell and a slight correction on the door gap. The dutchman (panel behind the rear window) was a different story. The curve didn't match the rear window very well and the ends that mate to the quarter had very soft edges that required a lot of work. They have been making the dutchman panel for some time and I was told that the dies they use are not steel dies,but rather some type of composite that wears as more units are stamped from it. So instead of making a million quarters like the OEs did, the dies might only last for 600 or so stampings before they wear. This could account for the differences I found in the panels.