IAG Stage 1 Blueprint EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 – Import Image Racing
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IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230
IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230

IAG Stage 1 Blueprinted EJ25 11mm Oil Pump Subaru STI 04-21 / WRX 02-14 | IAG-ENG-2230

Rated 5.0 out of 5
Based on 1 review
SKU: IAG-ENG-2230
Availability: 2 In Stock
Product Type: Engine Oil Pumps
$399.99
$399.99
$399.99
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Fitment Information:

2004-2021 Subaru STI

2002-2014 Subaru WRX

2005-2009 Subaru Legacy GT

2004-2013 Subaru Forester XT

Recommended: For use with Stock or IAG Stage 1 Engines.

Features:

The oil pump is quite literally the heart of any engine. Responsible for pumping the oil through the entire engine, it is one of the most critical parts, but often one of the most overlooked. Subaru EJ25 oil pumps should always be inspected before installation on any engine build. Over the years IAG's experience shows that the OEM oil pumps are inconsistently assembled by the manufacturer. It is very common to find incorrectly torqued hardware and, at times, rotor tolerances that are not within specification.

IAG now offers a Stage 1 Oil Pump that has the rotor tolerances, hardware, and pressure relief valve inspected. Each pump is also modified to increase oil pressure which aids in ensuring proper oil delivery. The pump is then assembled by IAG's trained staff, providing you with a product which is ready to install, right out of the box.

Each Stage 1 pump starts as a new OEM Subaru oil pump with 11mm rotors. The pump is completely disassembled and checked for contaminants or debris from the manufacturer. The pump is then ultrasonically cleaned.

During the modification process the OEM Pressure Relief Valve Piston is REM polished, providing a low Ra surface, which reduces the friction of the component, and greatly reduces the chance of the piston galling or sticking in the bore - a problem that is frequently seen even on brand new oil pumps.

The piston is reinstalled and confirmed to operate correctly. The rotors are measured and checked to be within the manufacturer's specification - aka Blueprinted, and installed next. The pump is then put together with a light coating of assembly lube to reduce friction and scuffing and aid in priming on first start up. Finally, the backing plate is installed. Loctite is added to the hardware, and each piece receives a painted mark after it is correctly torqued.

  • 11mm Oil Pump Rotors
  • Shimmed and REM Polished Pressure Relief Valve
  • Measured, Blueprinted, and Assembled
  • Packed with assembly lube
  • Ships ready to install with all required hardware
  • Designed for Single and Dual AVCS engines
  • Great for stock and mildly built (IAG Stage 1) engines used in street cars
  • Fits all EJ series Subaru Engines

What's in the Box:

  • (1) IAG 11mm Blueprinted Oil Pump
  • (1) Front Crank Shaft Seal
  • (1) Oil Pump O-ring
  • (7) Oil Pump Zinc Plated Bolts




average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
Review posted
Reviewed by Pat S.
Verified Buyer
Rated 5 out of 5

Chefs kiss

Taking the unknown out of probably the most important part of the engine. Knowing that the pump works out of the box with no problems is worth it by itself

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