The core of the problem with iron small-block Chevy heads is that there aren't any (cores, that is). It is becoming more and more difficult for the professional engine builder or weekend mechanic to ...

At the core of every high-caliber race engine are mega-cfm heads that make the power and a rugged block that holds it all together. These are arguably the two most critical components in terms of ...

Dart says its As-Cast heads are "...for the commodity kind of guy, who wants to make between 500 and 800 hp, depending on displacement or power adder." The two new heads are known as the 170 As-Cast ...