When 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 x 1/8th npt & 1 x 6AN male flare