Developed during the late 1960s to one-up Chrysler and its fearsome 426 HEMI in stock car racing, the Boss 429 didn't quite reach its goal. Nevertheless, it was a marvelous brute of a V8 that became a ...

The Boss 429 and 429 Super Cobra Jet V8 engines rank as some of the most powerful engines ever put in the Ford Mustang. In fact, if we limit our discussion to first-gen Mustangs, these engines, both ...

In gearhead terminology, the word hemi refers to the generally hemispherical shape of an engine's cylinder head combustion chamber. In the truest sense of the word, no automobile engine actually has a ...

Perception and reality are often widely disparate things. That couldn't be truer than with the legendary Boss 429 Mustang and the semi-hemi engine for which it was named. It is the darling of the ...

It wasn’t built to be a boulevard cruiser or a poser’s muscle car. The 1969 Mustang Boss 429 came to play hardball.

The Boss 429 Mustang is one of those halo cars that many kids of the 1970s dreamed of owning, thanks to its outrageous appearance and that NASCAR-derived engine. More than five decades after its debut ...

This listing offers a 1969 Ford Mustang Boss 429 along with a spare Boss 429 big-block V8. Produced only for 1969 and 1970, the Mustang Boss 429 was created to house Ford’s 7.0-liter (429 cu in) ...

What comes to mind when you read the phrase “Ford Mustang restomod”? Hokey digital dashes, floppy body kits, massive chunks of billet shoehorned into modest ’60s wheelwells? Yeah, us too. Over the ...

This stunning 1969 Ford Mustang Boss 429 Fastback model features a Royal Maroon exterior, black vinyl interior, and matching-numbers everything. It’s the type of Holy Grail car that collectors dream ...