67-72 C-10 Inner fenders for 20" wheel67 72 C 10 Inner fenders designed to work on trucks with bolt in aftermarket cross members or on aftermarket chassis' that are air bagged lay frame or have a very low static ride height. These are not designed but have been used in stock crossmember applications. They will not work with factory heat ac boxes or original battery mounts. This is the only inner fender on the market that allows you to drive and steer at very low ride height. Lays frame on