The folks at COMP Performance Group have been hard at work on a selection of products sure to be an instant grand slam with the LS community, and two particularly interesting items on hand at the ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

In the continuing saga of the Iron Maiden, we're down to churning out some serious power. With a pair of TFS 225cc cathedral port CNC-ported heads, a slightly more aggressive camshaft, and a FAST LSXr ...