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 ...

Although all of GM's divisions produced big-block-powered musclecars back in the day, most of which have gone on to become legendary, serious performance efforts have often been forced to rely on the ...

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 ...