[SS427]

The two bars are fender braces. They go from the base of the fender under the parking lights up to the front of the inner fender.
The two flat L brackets go on the front bumper brackets and act as bumper stops. There should be a "C" shaped rubber bumper that goes on them.
The P shaped item is the battery cable clamp that goes on the passenger side motor mount attaching point.
The zinc bracket goes on the frame underneath the brake booster and holds the brake lines.

I might be interested in all of these items sans the brake line bracket as I have several already.