This useful fitting allows you to insert a factory B/D coolant temp sensor into the upper section of the K-Series coolant system. This is required since the older generation gauge clusters can't understand the information being send from the K-Series ECU. Thread the adapter in, screw the coolant sen..
Precision Works K Series Oil Pressure Sensor Adapter For Honda and Acura RSX K20 Civic SiApplications: K Series only-Adapter to help add feed lines for your K Series-1/8BSPT Threads-Comes with teflon tape-A must have if you are adding additional sensor or add feed li..