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This weld-on Vibrant radiator filler neck has a 42mm (1.6875 in) ID and is CNC machined from 6061 aluminum for strength and corrosion resistance. It includes a barbed nipple for plumbing to an expansion tank and is compatible with Vibrant high-pressure aluminum radiator caps. Available in multiple sizes, the filler neck is a durable outlet for custom cooling systems and carries a one-year limited warranty.
Vibrant Weld On Radiator Filler Neck - 42mm ID (1.65in)
