ARP Custom age 625+ Series Head Stud Kit - Subaru EJ DOHC 11mm

Here, you are looking at the ARP Custom Age 625+ Head Stud Kit. These head studs are ideal for those of you who are running much more boost and power over factory levels in your racecar, rally car or daily driver and need a strong head stud kit to keep your heads from lifting. 

DETAILS:

Made using newly formulated super-alloy demonstrates superior fatigue cycle life

High tensile strength and toughness of 260,000-280,000 psi

Resistance to atmospheric corrosion and oxidation

Includes (12) head studs

Includes (12) nuts

Includes (12) washers

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+. 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 260,000-280,000 psi.