1969-1970 Mustang Boss 429 and 1969-1970 Mustang Mach 1. something new on the horizon. Later this year, Classic Recreations will offer officially licensed 1969-1970 Ford Mustang Boss 302 ...

Engine Ford 385-series V-8 429 Displacement 429.2 cu-in Output 375 hp The Ford Mustang Boss 429 was created in 1969 for two primary reasons. Chief among them was the need to homologate a new ...

Prices shown are the prices you can expect to pay for a 1970 Mercury Cougar Eliminator (Boss 429) 2 Door Hardtop across different levels of condition. Edit options.

The Boss 429 and 429 Super Cobra Jet V8 engines rank as some of the most powerful engines ever put in the Ford Mustang. In fact, if we limit our discussion to first-gen Mustangs, these engines ...