Weld-On Bungs

Our Weld-On Bungs are precision-machined for reliable, leak-free connections in custom intake, fuel, and coolant systems. Available in Aluminum AN and NPT styles, these bungs are designed for clean, strong welds on aluminum tubing, intercoolers, radiators, and tanks. Each piece is CNC-cut for accurate thread engagement and consistent fitment. Whether you’re building a high-performance turbo system or fabricating custom components, these weld-on fittings deliver the durability and precision your project demands.