ARP Head Stud Kit 11mm Subaru WRX EJ20 & EJ25
260-4701
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
- 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 Impreza WRX
- 2004+ Subaru Impreza WRX STI
- 2004-2013 Subaru Forester XT
- 2005-2009 Subaru Outback XT
- 2005-2012 Subaru Legacy GT
- 2004-2006 Subaru Baja Turbo
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