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B Series Coil On Plug Adapter Plate Conversion Adapter For Honda Acura B16 B18
Honda / Acura B/D Series
Fits ALL 4
proper cooling vents and security hardware
Bull Boost Performance™
Performance Cylinder 4 Coolant Mod for Subaru WRX STI EJ20/EJ25 Engines m1 B Series Coil On PlugDescription 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