Introducing Our B16 Race Coolant Fill pot. This Particular fill pot is set up for a coil on plug system where the factory distributor will no longer be used. A must have for any "tucked'/ Race Radiator Including Our Drag Series Radiators. Constructed from superior high quality aluminum, Precisely Hand Tig welded and Topped off with your choice of a Vibrant Performance Pressure cap rated at (16psi) or a Moroso Pressure cap rated at (31-33 Psi), you also have choice of a -16 an bung or Standard 32mm hose end.