Specifications
Part Details:
The IAG Timed Long Block Install Kits for Subaru EJ25 Engines are complete, application-matched installation packages designed to supply all essential components required to properly install and time a new or rebuilt EJ25 long block. Intended for WRX, STI, Forester XT, and Legacy GT models, these kits help ensure a reliable, leak-free installation with consistent OEM-level fitment.
By bundling critical gaskets, seals, oiling components, filters, and ignition parts into a single kit, IAG simplifies the installation process and reduces the risk of missing components during long block replacement or fresh engine builds.
Vehicle Fitment Overview
Designed for USDM Subaru EJ25 engines found in WRX, STI, Forester XT, and Legacy GT models. Full year-by-year compatibility and specific kit variations are listed in the Vehicle Fitment tab above.
These kits are intended to support long block installation and timing procedures and are not engine assemblies.
What This Kit Is For
- Installing a new EJ25 long block
- Replacing worn or incomplete installation components during an engine swap
- Ensuring proper timing, sealing, and oiling during assembly
- Reducing downtime by providing all required parts in one package
Package Contents
Each IAG Timed Long Block Install Kit includes a carefully selected combination of OEM Subaru and IAG Performance components to support proper installation and engine operation.
- Choice of IAG Street or Comp Series oil pan kit
- IAG oil pickup
- IAG windage tray
- Three OEM oil drain plug washers
- Four WIX oil filters
- Four NGK Laser Iridium spark plugs
- OEM oil feed line fitting with raised-head filter
- Two OEM AVCS oil plate gaskets
- OEM Subaru engine exhaust gasket kit
- Kuz thermostat
- OEM Subaru engine gasket kit
Available Kit Options
Multiple kit configurations are available to match different EJ25 applications and build requirements. Each kit is identified by its specific IAG part number.
- IAG-ENG-4802
- IAG-ENG-4803
- IAG-ENG-4805
- IAG-ENG-4806
- IAG-ENG-4807
- IAG-ENG-4808
- IAG-ENG-4809
- IAG-ENG-4812
- IAG-ENG-4813
- IAG-ENG-4815
- IAG-ENG-4816
- IAG-ENG-4817
- IAG-ENG-4818
- IAG-ENG-4819
Benefits & Advantages
- Ensures all required installation components are on hand
- Reduces the chance of oil leaks or improper sealing
- Combines OEM reliability with IAG performance upgrades
- Saves time compared to sourcing parts individually
- Ideal companion for IAG EJ25 long block engines
Installation & Build Notes
- Designed for professional installers or experienced engine builders
- Installation should follow Subaru factory service procedures
- Proper torque specs, timing alignment, and priming procedures are critical
- Kit contents may vary depending on selected configuration
Learn more about IAG Performance engine and reliability solutions
Shipping
Shipping Options:
WrenchMastersAuto.com ships your performance parts safely, quickly and conveniently nationwide via the most trusted shipping carriers such as: UPS, Fed Ex, USPS, and DHL.
Delivery Times:
- In Stock: 3-7 Business Days
- Custom Orders: 2-6 Weeks, Please Email: [email protected] or Call: 727-565-9808 for Questions.
Enjoy FREE SHIPPING on most orders over $199!
Contact WrenchMasters
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