Performance Cylinder 4 Coolant Mod for Subaru WRX STI EJ20/EJ25 Engines
Part Number: 720053572377
Bull Boost Performance
Description
- 100% Brand New
- Color: BLACK
- Cylinder 4 Coolant Mod for Subaru EJ Engines was designed to increase coolant flow to 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.
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This helps reduce knock and detonation in cylinder #4, which is known to cause the dreaded EJ ringland failure
Compatible with
- All EJ20 / EJ25 engines
- 2002 - 2014 Subaru WRX
- 2004 - 2020 Subaru STI
- 2004 - 2008 Subaru Forester XT
- 2005 - 2009 Subaru Legacy GT
Package Inlucidng
- 1X Cylinder 4 Coolant Mod
- 1X T Fitting
- 2X Clamps
- Just as picture shown
