EJ20/EJ25 Cylinder 4 Coolant Mod Kit — WRX, STi, Legacy GT, Forester XT
$35.00
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EJ20/EJ25 Cylinder 4 Coolant Mod Kit — WRX, STi, Legacy GT, Forester XT
$35.00
Coolant mod kit that improves coolant flow directly to the cylinder head, helping even out cylinder 4 temperatures — a known EJ weak point linked to ringland failure under sustained load.
Fits: Any EJ20/EJ25 engine — WRX 2002–2014, STi 2004–2020, Forester XT 2004–2008, Legacy GT 2005–2009.
Included: Rubber hose, aluminium head fitting, aluminium T-fitting, 4x clamps.
Built to Race — EJ platform parts, tested and stocked by people who build.