RSR Thermostat Housing is part of our complete Open Loop Cooling Kit
This kit facilitates monitoring of water outlet and to keep a consistent engine coolant temperature when using open loop cooling. This will fit "Z" style cylinder heads only ("A" style kit coming soon). The plates are threaded for 1/8" NPT coolant temp sensor.
This kit utilizes the factory Honda cylinder head O-ring, EO Honda mounting studs, (1) 8mm bolt will be required and not included.