SpeedFactory Racing Honda/Acura B-Series STREET Series Cooling System Fill Pots - 32mm - B16A/B18C5 - SF-06-068A-SWhether you have a custom radiator or a SpeedFactory Race Tucked radiator for your application, you need a proper way to fill and bleed air from your B Series engine's cooling system from the highest point and we have the solution. Unlike our Race Series Cooling System Fill Pots, our Street Series Fill Pots are compatible with all factory surrounding components (including your factory distributor and VTEC Solenoid) , will fit most aftermarket radiator