At the NE rally one of our members sells and distribute auxiliary mirrors that fits Ford, GMC, Dodge, etc. To get a look at them see www.autobarn.net/bigauxrearsi.html.(look at the large mirrors) You can order at phone # 860-518-3384 or Email
artminor@sbcglobal.net I purchased two sets and use them on my F350 and my Friends has them on his 3500. They work very well.