Proflow Radiator Hose Filler, Inline, Billet Black, 1.5 in./1.5 in.

These in-line radiator filler adaptors provide a high positive fill point to help keep air out of your cooling system at all times. Constructed from 6061-T6 aluminium, they have 2 x 1/8" NPT ports for the overflow and 1.50" outlet ports with large 42 mm cap provision. Comes with an NPT to 8 mm barb side outlet.