The Mustang Boss 302 is a high-performance variant of the Ford Mustang originally produced by Ford in 1969 and 1970, alongside its more powerful sibling the Boss 429 Mustang.
Ford revived the name for another two year production run in 2012 and 2013. It was produced for the Trans Am racing series.
The Boss 429 Mustang was born in a similar way, except with the intent of homologating Ford's new "semi-HEMI" 429 C.I.D. (7.0L) engine (to race in NASCAR, instead of Trans Am). The much larger engine in the Boss 429 reflects the less restrictive engine displacement limits of NASCAR at the time.