ARP CA 625+ 11mm Head Studs

Fitment: All Audi RS3 (8V / 8Y) & TTRS (8S) DAZA Engines 

These are the strongest (11mm) head studs available

Torque Spec - 115ftlbs with ARP Lube

Countless hours were spent torque testing and dissecting the block to design a stud that fits perfectly and engages all of the threads available.

Custom Age 625 Plus®: This 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+. Typical tensile strength is 260,000-280,000 psi.

INSTRUCTIONS/TORQUE SEQUENCE HERE