B Series B18C1 GSR Race Coolant Upper Fill Neck Swirl Pot 16AN Accessory Port Throttle Body Adapter 0L BMW E3 Bavaria 2

0L BMW E3 Bavaria 2

Note: This can also be used on newer DBW cars like the 8th and 9th Civic who want to remove the MAF and replace it with a simple Intake Air Temp Sensor

If you have a factory performance model exhaust

or turbocharged applications

For drag racers

B Series B18C1 GSR Race Coolant Upper Fill Neck Swirl Pot 16AN Accessory Port Throttle Body Adapter 0L BMW E3 Bavaria 2When running an aftermarket or custom tucked style radiator need a proper way to fill and bleed air from your B Series engine's cooling system from the highest point. Mounts at the front of the original water neck location. Sits level with the cylinder heads deck surface. Increases your cooling system's capacity by roughly . 75 quarts. Clears the VTEC spool valve assembly, temp sensor ports, and heater hose connection. Includes 2 x accessory bungs: 1