When Edelbrock introduced their Mopar small-block heads a couple of years back, they filled a sorely needed void in the Mopar performance marketplace-an affordable, bolt-on, high-flow replacement for ...

Edelbrock developed its Performer RPM Pontiac cylinder head during the '90s as a high-flow replacement for the desirable round-port originals. With as-cast intake airflow peaking around 280 cfm, it ...

When most people think of cylinder heads, they're often daunted by the huge variety of offerings for the small-block Chevy. Although it seems like a good thing at first, research will soon reveal ...

The big-block Chevy has been in a constant state of evolution since the General rolled out the first W series in 1958, and the Mark IV engines that debuted in 1965. For the past 50-plus years many ...