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 ...

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 ...