SKU: TS-SU-585
Torque Solution Cylinder 4 Coolant Mod for 2002-2020 Subaru Impreza WRX STI Legacy GT Forester XT EJ Engines TS-SU-585
This Torque Solution mod blocks the coolant passage to cylinder 4 in Subaru EJ20 and EJ25 engines to eliminate localized overheating and head gasket failures. It fits 2002-2020 Subaru Impreza WRX STI Legacy GT Forester XT models for engine protection in high performance driving. Add this affordable part to prevent costly repairs and ensure steady power output.
Key Features
- Billet 6061-T6 Aluminum: Strong lightweight material resists corrosion and withstands high heat in EJ engines
- Black Anodized Finish: Delivers lasting protection and sharp underhood look
- Direct Bolt-On Design: Matches OEM specifications for easy installation without changes on listed Subaru models
- Coolant Passage Block: Removes cylinder 4 hot spots leading to gasket issues in turbo EJ setups
- Preventative Maintenance: Avoids thousands in head gasket costs by fixing common Subaru EJ problem
Product Notes
- Requires removal of intake manifold or valve cover for access during install
- Flush coolant system after installation to remove debris
- Ships in protective padded envelope measuring 6 x 4 x 1 inches
Installation Notes
- Professional installation recommended.
- Drain coolant first and remove spark plug from cylinder 4 for access
- Uses factory hardware torque to 18-22 ft-lbs no additional parts needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2005-2006 | Subaru | Legacy | GT |
| 2005 | Subaru | Legacy | GT Limited |
| 2007-2009 | Subaru | Legacy | GT Limited |
| 2006-2009 | Subaru | Legacy | GT spec.B |
| 2015-2020 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2004-2005 | Subaru | Forester | XT |
| 2006-2008 | Subaru | Forester | XT Limited |
| 2005 | Subaru | Forester | XT Premium |
| 2009-2010 | Subaru | Impreza | 2.5 GT |
| 2002-2014 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2004-2014 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2015-2020 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
Why Choose Torque Solution?
- Precision CNC machined in the USA for exact EJ engine fit
- Lifetime warranty against defects covers all performance conditions
- Proven in thousands of Subaru builds for daily and track use
Frequently Asked Questions
- Q: Does this fit all Subaru EJ turbo models like WRX STI?
A: Yes fits EJ20 EJ25 turbo and non turbo in 2002-2020 Impreza WRX STI Legacy Forester listed above - Q: What material is the coolant mod made from?
A: Billet 6061-T6 aluminum with black anodized coating for heat resistance and durability - Q: Is warranty included and what does install involve?
A: Lifetime warranty provided drain coolant remove spark plug cylinder 4 and torque plug in place takes under 1 hour
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Padded envelope 6 x 4 x 1 inches
- Weight: 0.2 lbs
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