Fluidyne Polished Remote Radiator Filler Neck With the billet aluminum and highly polished construction of this Universal Remote Radiator Filler Neck, get your ride the show look it deserves! At an easily installable 5” of length, our filler neck comes in three sizes, 1-1/4”, 1-1/2”, or 1-3/4”. The Fluidyne remote polished radiator filler neck features an overflow ¼” barbed fitting and a high quality Fluidyne cap to top it off (16PSI).
