Performance Cylinder 4 Coolant Mod for Subaru WRX STI EJ20/EJ25 Engines Lift Kits Designed to enhance nighttime visibility

Designed to enhance nighttime visibility and withstand challenging weather conditions

and the included silencer makes it easy to reduce sound for daily driving

The Godspeed Project MAXX coilover for 1997-2003 Toyota Avalon (XV20) is for the tuners that want a track oriented setup that also provides daily commute comfort

Designed for Honda B-Series engines (B16 / B18 / B-Series variants)

An easy-to-follow installation tips sheet can be found on our site to make installation as worry-free as possible

Performance Cylinder 4 Coolant Mod for Subaru WRX STI EJ20/EJ25 Engines Lift Kits Designed to enhance nighttime visibilityDescription 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. 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