I have these pop-out rear windows and hardware I was planning on installing on my last van but never got around to it. $200 OBO local pickup in So Cal 91436.
Eric
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2006 Ford E-350 V10 Agile 4x4 SMB EB50
2000 Ford E-350 7.3L Quigley 4x4 hard top with custom interior by Xtreme Fab - Sold