Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100-percent ...

The following charts reveal the flow bench data collected on a Super Flow bench at 28 inches of water depression for a typical three-angle valve job and then Traco's enhanced low-and mid-lift flow ...

If an engine’s induction system is only as good as its weakest link, then a set of 400-cfm cylinder heads, giant intake valves, and mega-flow carburetors don’t mean squat if they’re getting choked ...

One of the quickest and easiest ways to improve your truck's performance is to modify the intake system to increase airflow and reduce pumping losses. This allows an engine to produce more power ...