ARP’s Custom Age 625 Plus material is newly formulated 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+. Best of all, it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field. Typical tensile strength is 260,000 psi.

Titan Motorsports is proud to announce the all new TMS CA625 Head Stud kit for 5.2L engines used in the Lamborghini Huracan and Audi R8 platforms. The CA625 stock dimension head studs have approximately 45% higher clamp load and the rating than the OEM bolts for the 5.2L. Made from ARP’s Custom Age 625 Plus material is newly formulated 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+. Best of all, it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field. Typical tensile strength is 260,000 psi. These head stud kits are essential for those looking to push their Huracan or R8 to the limit, as the stock offerings are unable to handle the rigorous pressures produced by higher performing engines.