Aeroflow Weld-On Billet Radiator Neck 32mm I.D Raw Finish. Suit Small Radiator Caps

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These radiator necks from Aeroflow Performance are just what you need when making yourcustom radiator or header tanksystem. These radiator fill necks are CNC machined from 6061 alu minium. They feature alarge diameter base which eliminates distortion when welding. A female NPT and barbfitting is included with each radiator neck. Available in two styles, large 42mm and small 32mm. Aeroflow Performance radiator caps are also available (sold separately). • 1/16" NPT thread in neck. • 4mm (5/32”) Barb Fitting included. Show more