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 ...

Edelbrock is keeping the Pontiac performance flame glowing. In addition to the wide array of intake manifolds developed over the years, the company was the first to mass-produce a high-flow, ...

While looking around on modified.com recently, I noticed a post on the site's forum asking what cylinder head porting and polishing is. The person who posted it apologized for asking what he felt was ...