USDM K series Water Pump Housing. This is what you need to convert your JDM K24 engine to use the USDM Alternator and tensioner setup. The JDM Water Pump and thermostat housing will bolt right up to this. Also includes required OEM shortened stud when converting from a JDM housing to USDM housing.
Want extra adjustability with that EP3 pulley? Maybe running a larger throttle body and want to move the pulley further away. Or having a hard time finding a properly fitting belt? This is the EP3 Kit you'll need! CNC cut from billet aluminum, then paired with an OEM Honda bearing cover, Gates 7rib pulley, and all new hardware.