Fit turbo Cylinder 4 Cooling System 02-14 WRX 04-21 STI, 04-08 FXT 05-09 LGT T
2002~2014 Subaru WRX. 2004~2021 Subaru STI. MAMBA 92~ Subaru EJ20 EJ22 EJ25 Cylinder 4 Cooling Mod FKM Hose Kit. MAMBA Cylinder 4 Coolant Mod for Subaru EJ Engines was designed to increase coolant flow to cylinder #4 head area.