Discover the Revology Boss 429: 15 sold-out 2025 builds, 50 more for 2026. Reserve now with a refundable deposit—pricing TBD.

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

Ford sold over 7,000 Boss 302s in 1970, but only 305 examples were painted Calypso Coral and fitted with this specific ...

See All 22 Photos Currently, the Mustang is powered by a Boss 429-based 185-series 557-inch big-block Ford V-8 engine. On a recent chassis dyno session, the drivetrain put down over 735hp to the ...

Is this the rarest Boss? An all-aluminum Can-Am 429ci. Tasca Ford owned the street with this car. Bring on Hemis and SS 396 Camaros. As one of six pre-production 1969 Ford Mustang Boss 429s ...

ridged fenders painted with the Boss 557 logo hint at what this Mustang has to offer. A fully-built Jon Kaase racing engine residing in the engine bay, where the real fun begins. The 557-cubic ...

By 1969, the Ford Mustang could be anything from a dressy six-cylinder coupe to a high-powered Boss 429 fastback with a NASCAR-ready V-8 engine shoehorned under its scooped hood. It’s that ...

The American company’s latest work was recently shown at this year’s SEMA show, and it’s based on Ford’s Mustang Boss 429, classically Ford’s biggest, baddest model of that generation.