Evaluation: One of 857 Boss 429s built for 1969. Fully restored and gorgeous.
Bottom Line: In order to homologate the Boss 429 engine for NASCAR racing, Ford decided to wedge the massive V-8 into the Mustang for sale to the public. But the 429 wouldn’t quite fit in a standard Mustang, so Ford had to rework the front end of the pony car and contracted with Kar Kraft to install and further modify the Boss. Fewer than 1400 were made and today they’re some of the most valuable Mustangs out there without a Shelby badge.
This is a handsome car in a good color, but that only goes so far in explaining this massive above-estimate price, especially since another restored Boss 429 out of the same collection sold immediately before for just $225,500.