and the Boss 302 (along with the ultrarare Boss 429, built for NASCAR competition) did it best. Produced only for the 1969 and 1970 model years, neither Boss was common, with just 8,641 and 1,359 ...

Throw in the Boss 302 engine from the equivalent Ford Mustang ... The first-gen Mercury Cougar debuted in 1967 and ran ...

Prices shown are the prices you can expect to pay for a 1970 Ford Mustang 2 Door Fastback (Boss 302) across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 1970 Mercury Cougar 2 Door Hardtop (Eliminator Boss 302) across different levels of condition. Edit options.

Photo: Benny Kirk/autoevolution For 1970, Parnelli Jones' Ford Factory Racing team Mustang hit the track with the famous Boss 302 five-liter V8 with a four-on-the-floor stick shift. Highly ...