Cylinder 4 Coolant Mod Line Kit

• 2004-2008 Subaru | Forester XT
• 2002–2014 Subaru | WRX
• 2004–2021 Subaru | WRX STI
• 2005-2009 Subaru | Legacy GT

This Torque Solution Cylinder 4 Coolant Mod line kit for Subaru EJ20 and EJ25 engines in the Subaru WRX 2002-2014, WRX STI 2004-2021, Legacy GT 2005-2009 and Forester XT 2004-2008 was designed to increase coolant flow to the cylinder #4 head area. The additional coolant flow helps reduce cylinder #4 coolant temps and keeps the temps more uniform with the rest of the cylinders, which helps reduce knock and detonation in cylinder #4. The kit includes CNC'd billet aluminum head and T fittings along with a multi-layer silicone hose and stainless steel clamps.

• CNC'd 6061 Billet Aluminum Fittings
• Black Anodized
• Multi-Layer Silicone Hose
• Stainless Steel Clamps
• Limited Lifetime Warranty
• Applications: Subaru WRX 2002-2014, Subaru WRX STI 2004-2021, Subaru Legacy GT 2005-2009, Subaru Forester XT 2004-2008
• Part Number: TS-SU-585

Frequently Asked Questions

Does this fit my vehicle?
Yes, this kit fits the Subaru WRX 2002-2014, WRX STI 2004-2021, Legacy GT 2005-2009 and Forester XT 2004-2008 with Subaru EJ engines.

What is included in the box?
The box includes the Torque Solution Cylinder 4 Coolant Mod kit with CNC'd billet aluminum head and T fittings, a multi-layer silicone hose and stainless steel clamps.

What does it do?
The kit increases coolant flow to the cylinder #4 head area, which helps reduce cylinder #4 coolant temps and keeps temps more uniform with the rest of the cylinders.

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