To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Modern internal combustion engines are under a lot of stress during normal operation. In particular, there's a lot of tension between the cylinder head and the engine block, especially in diesel ...

With the mass-production of electric cars being on the horizon, manufacturers are in a split-brain scenario for how to proceed with future products. On one hand, they have to stay current with market ...

Since the first Mustangs and Falcons were purchased secondhand, gearheads have been pondering whether to build up the straight-six workhorse economy engines or swap out the six in favor of a V-8. The ...

Looking for a badass head, but don't have a lot of bread? Bargain build aficionados, your prayers have been answered: GM Performance Parts now offers the cylinder head straight off its 6.2L (RPO L92) ...

With the supercharger testing complete, HPP felt it was time for The Mule to explore some new horizons. Up until now, the stroker 455 retained all of its original build parts and we worked within ...

I’ve never had a bad experience with a MachineArt Moto product. And the new X-Head DOHC cylinder head guards keep that record intact. Designed for the BMW R1200RT engine, they add virtually nothing in ...

Nissan’s performance division teases Z-car fans with an L-series holy grail. Way back in 1984, when your dad was wearing denim from head-to-toe and your mom was rocking a perm and cozy leg warmers, ...