and if Ford couldn't race the engine, it had no desire to sell it to the public. So when Ray Wilson came across a set of Boss 429 heads-complete with the rocker arms and an appropriate intake-in a ...

The heads use intake valves measuring 2.275 inches in diameter and 1.895-inch exhaust valves. Ford combined those large valves with equally large intake and exhaust ports, allowing the Boss 429 to ...

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 ...

Ford engine builder extraordinaire and long-time expert in putting together powerful 385-series big-blocks with Boss 429 heads. For Borchers' project, Kaase started with a 460 short-block ...

With its mission rooted in winning NASCAR races, the Boss 429 was fitted with cylinder heads sporting free-flowing intake and exhaust ports and Ford's take on the hemispherical combustion chamber ...