For the 1971 model year, Ford updated the Mustang with new styling as well as a engine options. The 1971-1973 Ford Mustang continued to feature the Mach 1 as its high performance variant. This updated Mach 1 was offered as standard with a 302 V8 engine, but various 351 V8 options as well as the top of the line 429 Cobra Jet / Super Cobra Jet V8 engine. Both manual and automatic transmissions were available for the 1971-1973 Ford Mustang Mach 1.