Hybrid Racing K Series cylinder head heater outlet plugClean up your engine bay and eliminate unnecessary stuff with the Hybrid Racing Cylinder Head Heater Pipe Plug. This piece allows you to delete the heater hose on the back of a K20A A2 A3 Z1 cylinder head. Never deal with looped hoses again! Purchase the Heater Core Delete Kit if you want to remove the thermostat housing heater tube as well. (HYB HCD 01 03)