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 ...

Ever been strolling through a hardware store or perhaps an auto parts establishment and wondered of the meaning behind the markings on the hundreds of thousands of bolt heads on the shelf? Whether you ...