Heater Core Thermostat Plug Kit K20 K24 Swap For Civic Integra EG EK DC2 CRX SiHeater Core Thermostat Plug Kit K20 K24 Swap For Civic Integra EG EK DC2 CRX Si Clean up your engine bay and eliminate unwanted weight with the Heater Core Delete Kit. This kit allows you to delete the heater hoses running from the engine block and cylinder head to the heater core behind your dashboard. Remove the heater hoses and install these two plugs in their places to facilitate removal of the heater core to shed some pounds and keep that engine