ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit

SKU: 260-4702 | UPC: 672036030841

ARP 1999-2007 Subaru EJ Series Phase 2 SOHC Head Stud Kit

ARP head stud kit upgrades factory head bolts on 1999-2007 Subaru EJ25 SOHC Phase 2 engines found in Legacy Outback Forester Impreza and Baja models. These studs handle higher cylinder pressures from turbocharging or increased power levels while preventing head gasket failures. Engineered for reliability in demanding street and track applications.

Key Features

• ARP2000 Alloy Construction: Studs forged from proprietary ARP2000 material rated at 220,000 psi tensile strength for consistent clamping under extreme loads
• Complete Kit Contents: Includes 10 head studs 2.400-inch shank length M11x1.5 thread plus chrome moly washers and 12-point nuts for precise torquing
• Rolled Threads: Increases fatigue strength by 4 times over cut threads ensuring long-term durability in high-vibration environments
• Hardened Components: Washers and nuts heat-treated for reusability during multiple engine builds
• Corrosion-Resistant Finish: Black oxide coating protects against rust in harsh conditions

Product Notes

• Confirm your engine is EJ251 EJ252 or EJ253 SOHC Phase 2 before purchase
• Torque studs in sequence to ARP specifications using ARP Ultra-Torque lubricant
• Packaged in protective tube within sturdy box for safe transit

Installation Notes

• Professional installation recommended.
• Remove stock head bolts clean threads and chase holes with tap if needed
• Compatible with OEM or aftermarket head gaskets ARP main studs recommended for full kit

This Part Fits

Year	Make	Model	Submodel
1999	Subaru	Legacy	L 30th Anniversary
2004	Subaru	Legacy	L 35th Anniversary
2003	Subaru	Legacy	L SE
2005	Subaru	Legacy	Limited
1999	Subaru	Legacy	Limited 30th Anniversary
2006-2007	Subaru	Outback	2.5i
2007	Subaru	Outback	2.5i Basic
2003	Subaru	Baja	Base
2003-2006	Subaru	Baja	Sport
1999-2002	Subaru	Forester	Base
1999-2002	Subaru	Forester	L
1999-2002	Subaru	Forester	S
2003-2007	Subaru	Forester	X
2006-2007	Subaru	Forester	X L.L. Bean Edition
2003-2005	Subaru	Forester	XS
2005	Subaru	Forester	XS L.L. Bean Edition
2006-2007	Subaru	Impreza	2.5i
1999-2001	Subaru	Impreza	L
1999-2004	Subaru	Impreza	Outback
2005-2007	Subaru	Impreza	Outback Sport
1999-2005	Subaru	Impreza	RS
2002-2004	Subaru	Impreza	TS
2006-2007	Subaru	Legacy	2.5i
2007	Subaru	Legacy	2.5i Limited
2007	Subaru	Legacy	2.5i Special Edition
2000	Subaru	Legacy	Brighton
2000-2004	Subaru	Legacy	GT
2000-2002	Subaru	Legacy	GT Limited
2005	Subaru	Legacy	i
1999-2004	Subaru	Legacy	L
2006-2007	Subaru	Outback	2.5i Limited
2000-2004	Subaru	Outback	Base
2005	Subaru	Outback	i
2000-2005	Subaru	Outback	Limited

Why Choose ARP?

• Over 70 years experience supplying fasteners to professional racing teams worldwide
• Every kit tested for load and fatigue in real-world high-horsepower applications
• Precision-manufactured in USA with strict quality controls

Frequently Asked Questions

• Q: Will this kit fit 1999-2007 Subaru EJ25 SOHC Phase 2 engines only?
  A: Yes designed specifically for Phase 2 SOHC heads on EJ251 EJ252 EJ253 engines excludes DOHC or Phase 1 verify your head casting

Q:

• What material are the studs made from?

A:

• Forged ARP2000 chrome moly alloy with 220,000 psi tensile strength far exceeding OEM bolts
• Q: What is the warranty and installation support?
  A: Lifetime warranty against fastener failure ARP provides detailed torque specs and tech support line

Shipping & Handling

• Method: UPS Ground or USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Protective inner tube in 10 x 7.25 x 1.75 inch box
• Weight: 2.65 lbs