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You are here: Home > Hyundai Genesis Coupe Head Studs & Bolts

ERZ Performance carries premium grade head studs and main bolts from ARP. They're all made with the highest quality 8740 alloy/chrome moly that is also use for manufacturing aircraft. ARP bolts/studs are thread rolled after heat-treat, which gives them about 1000% better fatigue strength than those studs that are threaded prior to heat-treat. ARP head studs are a must for performance engines seeing increased boost.