Here's a look at some the parts from an AMT T439 Chevrolet Police Van kit. While not meant to be an all-inclusive look at the contents, most of the unique parts specific to this issue (body shell with separate hood) are present.
The body shell has open areas in the upper quarter panels which are to be filled with either window frames or filler panels, allowing the builder to build either a Chevy Van (cargo) or Sportvan (window van):
Outside and inside faces of insert panels:
The front of the body shell, still featuring an open hood area, and the separate hood piece:
The rear of the body shell:
Interior body shell images:
Separate floorboard piece:
Chrome plated parts:
Clear windows and windshield. Unfortunately, each side window has two ejector pin marks which are very visible when the windows are mounted to the body inserts: