Skip to content

Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11

Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 is a complete engine repair kit with MLS head gasket and 12 OEM-spec head bolts. Priced at $73.25, it's ideal for DIY head gasket replacements on EJ251 and EJ253 engines.

$73.25

● In stock

Buy at Lab Work Auto →

Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • Complete gasket set with MLS head gasket
  • Includes 12 OEM-spec cylinder head bolts
  • Fits EJ251 and EJ253 2.5L H4 engines
  • RTV silicone included for precise sealing
  • Valve stem seals prevent oil consumption
  • O-rings and small gaskets for full rebuild
  • Direct fit, no modifications required

Pros

  • +Includes all necessary gaskets and seals
  • +New head bolts ensure proper torque retention
  • +MLS head gasket resists warping and blowouts
  • +Saves time vs sourcing parts individually
  • +Cost-effective complete repair solution
!

Cons

  • Not reusable; one-time use only
  • Requires intermediate mechanical skill
  • No installation tools included

About Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11

What is Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11?

This comprehensive head gasket set is designed for Subaru EJ251 and EJ253 2.5L H4 engines found in Impreza, Legacy, Forester, and Outback models from 2004–2011, as well as the 2004–2006 Baja and 2005–2006 Saab 9-2X. It includes all critical sealing components needed for a full cylinder head rebuild, centered around a durable multi-layer steel (MLS) head gasket and 12 high-tensile cylinder head bolts. The set eliminates the need to source individual gaskets, providing a complete solution for engine repairs involving head removal or replacement.

Key features

  • Complete Gasket Set — Includes MLS head gasket, valve cover, intake, exhaust, and camshaft seals.
  • 12 Head Bolts Included — OEM-spec cylinder head bolts for proper torque and clamping force.
  • Engine Compatibility — Fits EJ251 and EJ253 2.5L H4 SOHC engines across multiple Subaru and Saab models.
  • RTV Silicone Included — Pre-measured sealant for precise application during assembly.
  • Valve Stem Seals — Fresh seals help prevent oil consumption and blue smoke at startup.
  • O-rings and Small Gaskets — All ancillary seals needed for a full top-end rebuild.
  • Direct Fit Replacement — No modifications required; designed to match factory specifications.

Who is Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 for?

This kit is ideal for DIY mechanics and independent shops performing head gasket repairs on Subaru 2.5L engines. It’s especially valuable for those tackling blown head gaskets, overheating damage, or engine swaps where original fasteners must be replaced. The inclusion of new head bolts ensures proper torque retention, which is critical for long-term reliability in interference engines. It suits users with intermediate mechanical skills who have access to torque wrenches and basic engine tools.

How does Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 compare?

Unlike basic gasket-only kits, this set includes 12 head bolts—essential for Subaru engines where head bolts are torque-to-yield and should never be reused. Compared to standard polypropylene gasket sets, the MLS head gasket offers superior heat and pressure resistance, making it more durable under high-stress conditions. It outperforms incomplete kits that require sourcing bolts or RTV separately, offering better value and reliability for a critical engine repair.

🎯

Best use cases

  • Replacing blown head gasket on EJ253
  • Engine rebuild after overheating damage
  • Subaru 2.5L engine swap or refresh
  • Preventing oil leaks during head work
  • DIY repair to avoid shop labor costs
🛒

Is Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 right for you?

This head gasket bolts set is best for DIYers and independent mechanics working on Subaru 2.5L EJ251/EJ253 engines from 2004–2011. Intermediate skill level is required, including torque wrench use and head resurfacing knowledge. If you're replacing a blown gasket or rebuilding the engine, this complete kit saves time and ensures proper fasteners are used. Alternatives include buying gaskets and bolts separately, which risks mismatched specs or missing components.

How it compares: Compared to gasket-only kits, this set includes critical head bolts and RTV, reducing the risk of reusing worn fasteners. It outperforms generic kits with inferior materials by using an MLS head gasket and OEM-spec components for better durability and sealing under high thermal load.

More from Lab Work Auto

?

Frequently Asked Questions

What engines does this head gasket set fit?

This set fits Subaru EJ251 and EJ253 2.5L H4 SOHC engines in 2004–2011 Impreza, Legacy, Forester, Outback, Baja, and 2005–2006 Saab 9-2X models. Always verify your engine code before installation.

Does this kit include head bolts?

Yes, it includes 12 new cylinder head bolts. Subaru head bolts are torque-to-yield and should never be reused, so replacement is critical for a reliable repair.

How does the MLS head gasket improve performance?

The multi-layer steel (MLS) head gasket resists warping and blowouts better than composite gaskets, especially under high heat and pressure, making it ideal for Subaru's interference engines.

Is this a complete gasket set?

Yes, it includes the head gasket, valve cover, intake, exhaust, camshaft seals, valve stem seals, O-rings, small gaskets, and RTV silicone for a full top-end rebuild.

Can I install this myself?

Yes, if you have intermediate mechanical skills, proper tools, and follow torque specs. Head gasket replacement requires precision; improper installation can cause engine damage.

How much does Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 cost?

Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 is $73.25 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 in stock at Lab Work Auto?

Yes, Head Gasket Bolts Set For Subaru Impreza Legacy Forester Outback 2.5 04-11 is currently in stock at Lab Work Auto.

Specifications

SKU
F8-025717
Last updated May 14, 2026