SpeedFactory Racing Honda/Acura B-Series RACE Cooling System Fill Pots - 32mm - B16/Type R - SF-06-068AWhether you have a custom radiator or a SpeedFactory Race Tucked radiator for your racing 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. **Please note: SpeedFactory RACE Coolant Fill Pots will not clear on applications using a factory distributor or distributor housing. For applications still utilizing a distributor, use the street version