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 ...

Should I retorque head bolts? Yep, that seems to be a big question on the web and it gets, like most questions on the internet, a variety of answers. In short, at least here in 2020, the answer is no, ...

If you’re slapping on a supercharger, turbocharger or cranking up the boost from your already-installed power adders, you’re probably in the market for a set of head studs. Because of the increased ...

Aftermarket head studs are vital for high-performance engines with high compression or turbochargers, both of which experience extremely high internal cylinder pressures. ARP studs are a popular ...

If you use a gasoline-powered V-8 pickup or SUV to tow a trailer, chances are you're going to eventually have an exhaust leak caused by broken manifold bolts or studs. We have a 2004 Dodge Durango ...

When building your new high-performance engine, you know which way to go on the big-ticket items. A forged rotating kit, high-flowing aluminum heads, and a sweet camshaft are top of the list, but ...