ARP is the go-to manufacturer in the automotive industry for engine fasteners. Whether it be OEM replacement parts or custom hardware, their dedication to consistent top notch quality has made them a favorite in the racing world.
These IE exclusive ARP head studs for VW / Audi MK5 2.5L 5 Cylinder engines are made from premium grade 8740 alloy steel. Rated far superior to many "aircraft quality" competitors, the studs are heat treated to 200,000 psi then thread rolled afterward. This process gives them twenty times better fatigue strength over studs threaded prior to treatment (a common practice with lesser quality studs). These high-quality head studs will ensure your headgasket stays firmly planted under even the most extreme boost conditions. These parts are great for race engines, manufactured in the U.S.A. and 100% re-usable.