Universal Weld On Billet Aluminum Filler Neck For Radiator Overflow Catch Tank Barb Fitting To Fit Standard Radiator Cap Beefed Up For Race Or Street Everyday

Billet Weld-On Filler Neck for Radiator Overflow ✔️ 6061-T6 billet aluminum; pack size: 1 piece; 1/8 NPT to 3/8 barb

This heavy-duty weld-on filler neck is designed for radiator overflow systems, offering a strong, leak-resistant connection for race or street setups. Compatible with standard radiator caps and barbed fittings, it’s ideal when you need a custom filler neck that can survive tough conditions.

✅ Material: 6061-T6 billet aluminum
✅ Finish: natural
✅ Fittings: includes 1/8 NPT to 3/8 barb
✅ Cap compatibility: accepts standard radiator caps or Canton #81-016, #81-030, Billet Cap #81-116
✅ Pack size: 1 piece

💡 What is a weld-on filler neck used for in radiator overflow systems? A handy, rugged option for race or street builds needing a strong, leak-free overflow connection. - 6061-T6 billet aluminum construction for durability - Includes 1/8 NPT to 3/8 barb fitting for easy plumbing - Compatible with standard radiator caps and Canton/Billet cap options

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