Indy Cylinder Heads built this 500ci all-aluminum big-block wedge for PHRs Project Valiant and in this dyno test it made 657hp at 6,100 rpm and 662lb-ft of torque at 4,500 rpm.

Indy Cylinder Head Crate Engines at the Mopar Nats We interview Russ Flagel and Ken Lazari of Indy Cylinder Head about the company's line of Chrysler crate engines and engine parts.

For the true Mopar purists, Indy Cylinder Head is the go-to manufacturer for everything 572 Hemi. Indy markets itself as the only aftermarket Mopar manufacturer, meaning that it doesn't just ...