Description

ARP 12MM CA625+ head stud kit for the Audi 2017+ DAZA/DNWA 2.5 TFSI engine.

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.

These studs are NOT direct fit. Your engine block, cylinder head, and head gasket will have to be machined for these studs by a reputable machine shop.

Application:
2017+ Audi DAZA & DNWA 2.5L TFSI