This is the cheapest site I have found on weatherstripping
http://www.chevyduty.com/ If not there then go to
http://www.lmctruck.com/ They are a little more expensive. I have seen the armrests for 81-87 in tan at a junk yard here yesterday, I don't know if they will fit yours or not. Maybe someone else can tell you if they will and I can go pull them. Not sure how much just the armrest will cost. The door panel and armrest costs $15 here. Tommy Little Rock,AR