Generation study
Ford Mustang Boss 429 1st gen
(1969–1970)
NASCAR homologation.
Ford Mustang Boss 429 1st gen
Why it qualifies
NASCAR homologation. 429 ci semi-hemi V8, 4-speed manual. Only 1,358 built. Kar Kraft conversions in Brighton, MI — every car is essentially a hand-built race-engine special.
Watch out for
- Authenticity verification via Marti report and KK number
- Engine swaps common (block cracks were known)
- Restoration cost into 6 figures for matching-numbers
Market trend
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Active 1st gen listings
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