2JZ Head Studs Custom Age 625+
Custom Age 625 Plus® super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Typical tensile strength is 260,000-280,000 psi.
ARP CA625 head studs are the strongest studs available for the 2JZ platform. Designed to hold extreme combinations of boost and nitrous without stretching. These studs will keep you engine together no matter how much horsepower you make.