ARP 11mm Head Studs Subaru WRX 2002-2014 / STI 2004-2021 Subaru EJ20 & EJ25 Turbo
260-4701
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Experience unparalleled strength and durability with ARP Pro Series cylinder head studs designed for 11mm applications on Subaru models. These head studs are crafted through cold-forging to ensure molecular integrity, and are then heat-treated prior to thread rolling and machining. Choose from kits with 12-point nuts and hardened parallel washers for an even load distribution and accurate torque readings. Designed for high-performance enthusiasts, these head studs provide the robustness needed to prevent head lifting, making them a must-have for racecars, rally cars, overlanders, or even daily drivers seeking enhanced performance. With a wide selection of models ready to ship, you can trust ARP Head Stud Kits to elevate your Subaru's power and boost levels beyond factory specifications.
- Made using premium grade alloy materials that deliver superior fatigue cycle life
- 11mm profile
- Each stud is placed vertically in special racks
- Heat treated to 220,000 psi
- Thread-rolled to provide 1000% better fatigue strength
- Resistance to atmospheric corrosion and oxidation
- Includes (12) head studs
- Includes (12) 12-point nuts
- Includes (12) washers
- Socket Size(s) 9/16 12pt, 3/16 Allen
Fitment:
- 2002-2014 Subaru WRX
- 2004-2021 Subaru STI
- 2004-2013 Subaru Forester XT
- 2005-2009 Subaru Outback XT
- 2005-2012 Subaru Legacy GT
- 2004-2006 Subaru Baja Turbo
Review pages below for additional information: