Vent window frames are similar to steering wheels-they're visible from the driver seat at all times, and when they're in bad condition, well, the driver is stuck with them in his vision at all times.

Classic ’65-’68 Mustang vent window frames are made of die-cast construction, which is a Heinz 57 mix of non-ferrous metals, such as zinc, copper, aluminum, lead, pewter, and even tin. Automakers used ...