Originally Posted by red58
are 10" wide wheels "factory" for 60-66?
and I thought that the backset was the important part

Bill
I think the 60-66 factory wheels are 6.5" wide. Here's part of the reason I believe that the 60-66 factory steel wheels will not work with a disc brake upgrade - see link. http://www.classicperform.com/Store/1960_1972_Chevy_Truck/6062SWBK5OE.htm