This ARP performance fastener, stud, bolt, tool, or assembly is the 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit for 2003 Subaru Baja. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
Key Features
- Thread, length, material, strength series, and included quantity are exact-part specific
- Engine, vehicle, component, and installation requirements must match the current ARP application
- 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.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 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 |
| 1999-2004 | Subaru | Legacy | L |
| 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 |
| 2005 | Subaru | Legacy | i |
| 2006-2007 | Subaru | Outback | 2.5i |
| 2007 | Subaru | Outback | 2.5i Basic |
| 2006-2007 | Subaru | Outback | 2.5i Limited |
| 2000-2004 | Subaru | Outback | Base |
| 2000-2005 | Subaru | Outback | Limited |
| 2005 | Subaru | Outback | i |
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 260-4702 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit |
| 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 |
| 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 |
| 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 |
| Features ARP2000 Alloy Construction | Studs forged from proprietary ARP2000 material rated at 220,000 psi tensile strength for consistent clamping under extreme loads |
What's Included
One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
Important Disclosures
- California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.
Related Parts
- Shop all ARP products
- ARP Subaru EJ Series DOHC Custom Age Head Stud Kit
- ARP Subaru EJ Series Press Fit Rod Bolt Kit
- ARP Subaru WRX EJ20 & EJ25 Head Stud Kit
Frequently Asked Questions
How do I confirm the 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 260-4702, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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