Billet Fixed Water Necks

PRP’s Billet Fixed Water Necks make the connection from your upper radiator hose to your engine. Each water neck is fully CNC machined from 6061-T6 aluminum. Comes complete with stainless steel mounting hardware and o-ring for positive sealing. Black anodized for corrosion protection.  All units will accept any standard thermostat.


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  • CNC machined from 6061-T6 aluminum
  • Comes with stainless steel mounting hardware and O-ring for positive sealing
  • Anodized finish for long lasting corrosion protection
  • Ford Fixed 60deg Water Neck 16AN Upper Hose or Mopar Water Neck
  • Made in America