ARP Custom Age 625+ Head Stud Kit Subaru 2002-2014 WRX / 2004-2021 STI

ARP - The world leader in fastener technology has just released a new Custom Age 625+ head stud kit for 1989 and later Subaru (EJ Series) DOHC 4-cylinder applications. Part No. 260-4704 - includes a set of twelve Custom Age 625+ head studs, twelve parallel-ground washers, twelve 8740 chrome-moly steel 12 point nuts, and a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant. These fasteners deliver a 55% increase in tensile strength and are reusable as compared to the OEM Torque to Yield (TTY) head bolts.

Features:
- Super-alloy, demonstrates superior fatigue cycle life
- High tensile strength and toughness of 260,000-280,000 psi
- Resistance to atmospheric corrosion and oxidation
- Installation Location - Head
- Length - OEM Spec

Includes:
- 12 x Studs
- 12 x Nuts
- 12 x Washers

Application:
Subaru Fitment EJ Series
2002-2007 Subaru WRX
2004-2007 Subaru STI
2008-2014 Subaru WRX
2008-2014 Subaru STI
2015-2021 Subaru STI