An original plan to stuff Ford’s 6.8-liter Triton V10 into it, but it didn’t fit, so they designed a new one by adding two cylinders to the modular 4.6-liter V8 to create a 5.8-liter, or 351 ...

Prices shown are the prices you can expect to pay for a 1971 Ford Mustang 2 Door Fastback (Boss 351) across different levels of condition. Edit options.