Torque Solution Cylinder 4 Coolant Mod - Subaru EJ Engines Torque Solution TQSTS-SU-585
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Torque Solution Cylinder 4 Coolant Mod - Subaru EJ Engines

TQSTS-SU-585
TS-SU-585
Hardware Kits - Other
7 Units In Stock - Ships Next Business Day
$ 88.88
$ 88.88

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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