IAG Performance
IAG Performance IAG-ENG-CX25 Stage X Billet Aluminum EJ25 Subaru Case Halves
IAG Performance IAG-ENG-CX25 Stage X Billet Aluminum EJ25 Subaru Case Halves
Regular price
$11,789.99 USD
Regular price
$11,789.99 USD
Sale price
$11,789.99 USD
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The IAG Performance / Crest CNC Billet Aluminum EJ25 Case Halves are the same premium-grade case halves used in our cutting-edge Stage X Billet Short Block, which has revolutionized the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness that exists in max-power builds. The EJ25 Case Halves are engineered to eliminate case flex in high-power EJ builds, making it possible to reliably run at a power output rating of 1150+BHP. With features like radiused coolant and oil galleries to improve flow, a 4-bolt bottom end for added strength, and replaceable iron sleeves that make rebuilds easier, these case halves offer a rock-solid foundation to build upon. The IAG Performance / Crest CNC Billet Aluminum EJ25 Case Halves are machined by Crest CNC (formerly Willall), renowned for their precision-machined billet aluminum engine blocks and components. With Crest’s proven track record of producing blocks that endure the rigors of high-output engines, these case halves provide an unbeatable foundation for those pushing the limits of performance.
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2011 | Subaru | Forester | XT Premium | |
| 2002 | Subaru | Impreza | WRX | |
| 2003 | Subaru | Impreza | WRX | |
| 2004 | Subaru | Impreza | WRX | |
| 2005 | Subaru | Impreza | WRX | |
| 2006 | Subaru | Impreza | WRX | |
| 2007 | Subaru | Impreza | WRX | |
| 2008 | Subaru | Impreza | WRX | |
| 2009 | Subaru | Impreza | WRX | |
| 2010 | Subaru | Impreza | WRX | |
| 2011 | Subaru | Impreza | WRX | |
| 2012 | Subaru | Impreza | WRX | |
| 2013 | Subaru | Impreza | WRX | |
| 2014 | Subaru | Impreza | WRX | |
| 2004 | Subaru | Impreza | WRX STI | |
| 2005 | Subaru | Impreza | WRX STI | |
| 2006 | Subaru | Impreza | WRX STI | |
| 2007 | Subaru | Impreza | WRX STI | |
| 2008 | Subaru | Impreza | WRX STI | |
| 2009 | Subaru | Impreza | WRX STI | |
| 2010 | Subaru | Impreza | WRX STI | |
| 2011 | Subaru | Impreza | WRX STI | |
| 2012 | Subaru | Impreza | WRX STI | |
| 2013 | Subaru | Impreza | WRX STI | |
| 2014 | Subaru | Impreza | WRX STI | |
| 2005 | Subaru | Legacy | GT | |
| 2006 | Subaru | Legacy | GT | |
| 2007 | Subaru | Legacy | GT | |
| 2008 | Subaru | Legacy | GT | |
| 2009 | Subaru | Legacy | GT spec.B | |
| 2015 | Subaru | WRX STI | ||
| 2016 | Subaru | WRX STI | ||
| 2017 | Subaru | WRX STI | ||
| 2018 | Subaru | WRX STI | ||
| 2019 | Subaru | WRX STI | ||
| 2020 | Subaru | WRX STI | ||
| 2021 | Subaru | WRX STI |
