SpeedFactory Radiator Filler Neck An16 Outlet B16 simple1 causing it to bead and

causing it to bead and smoothly run down and off the car surface

Compatible wheel/tyre size examples:

Using data obtained from racing

In order to assemble the heavy main components

SpeedFactory Radiator Filler Neck An16 Outlet B16 simple1 causing it to bead andWhether you have a custom radiator or a SpeedFactory Race Tucked radiator, you need a proper way to fill your engine's cooling system from the highest point and we have the solution. SpeedFactory Racing B Series Upper Coolant Fill Necks are compatible with most aftermarket radiator setups, and change the high point of your cooling system for easy filling and system air bleeding. Our necks are manufactured in house using high quality aluminum materials