Moroso 63482 Moroso Inline Extended Filler Neck 1.5in In / 1.25in OutMoroso 63482 Moroso Inline Extended Filler Neck 1. 5in In 1. 25in Out Extended Inline, Billet Filler Neck, 1. 50 IN TO 1. 25 IN, In and Out Spliced into the upper radiator hose to add a raised fill point for complete cooling system filling and bleeding Extended Filler Necks are 4" tall from the center of the hose inlets to the top of the radiator neck, this allows the fill point to be higher than the radiator to simplify bleeding of the system Cast