Production chronology1969–1970
Sourced production or model lifecycle range used by the main catalog timeline.
Wikipedia infobox ↗2 years
The Boss 429 Mustang is a high-performance Ford Mustang variant that was offered by Ford in 1969 and 1970. It featured a race-designed 429 cu in (7.0 L) semi-hemispherical head version of the big block 429 V8, offered in the car both to homologate the engine for NASCAR racing and to offer a bigger, more-powerful version of the popular small block 5 L Boss 302 Mustang.
Text adapted from “Boss 429 Mustang” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07
Sourced production or model lifecycle range used by the main catalog timeline.