Boss 429

1970 Ford Mustang Boss 429 Fastback

Offered by Mecum | Glendale, Arizona | March 18-20, 2021

Photo – Mecum

This is the top dog among first-gen Mustangs. The Boss 429 was offered in 1969 and 1970 only, and it was more of a pure muscle car when compared to its namesake relative, the Boss 302 (which was produced for Trans Am homologation). The 429 was all engine, and that’s really the reason exists.

Ford needed to offer the 429 in a road car in order for it to be allowable in NASCAR. The Z-code 429 was a, well, 429-cubic-inch (7.0-liter) V8 rated at 375 horsepower. Only 499 were produced in 1970, and this one is finished in Grabber Green with a matte black hood scoop over black. The ’70 model was rarer than the ’69.

It features a limited-slip differential, a front spoiler, the Drag Pack, and a competition suspension. Only manual transmissions were available, and air conditioning was not an option. These are exceptionally cool Mustangs, and they are very rare. This is why they cost a lot more than their 302 Boss counterparts. You can check out more about this one here and see more from this sale here.

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