41mm ID Copper Weld On Radiator Filler Neck

41mm ID Aluminum Weld On Radiator Filler Neck

1-1/4" ID 32mm Brass Weld On Radiator Copper Coolant Water Filler Neck

41mm ID Aluminum Weld On Radiator Filler Neck

32mm 1-1/4" I.D. Brass Weld On Radiator 1.25" Copper Filler Neck

42mm ID 54mm OD Copper Brass Light Weld On Radiator Filler Neck Without Cap

Performance 32mm 1-1/4" I.D. Brass Weld On Radiator 1.25" Copper Filler Neck New

32mm ID Copper Weld On Radiator Filler Neck