Billet 4 Coolant Mod Subaru EJ Engines EJ20 EJ25 WRX STI Forester XT Legacy GT
4 Coolant Mod Subaru EJ Engines EJ20 EJ25
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.
This helps reduce knock and detonation in cylinder 4, which is known to cause
the dreaded EJ ringland failure.
\- CNC'd 6061 Billet Aluminum Fittings
\- Black Anodized
\- Multi-Layer Silicone Hose
\- Stainless Steel Clamps
Fits:
\- All EJ20 / EJ25 engines
\- Subaru WRX 2002-2014
\- Subaru WRX STI 2004-2020
\- Subaru Forester XT 2004-2008
\- Subaru Legacy GT 2005-2009
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