Vibrant Performance - 11150 - 4AN Male Weld Bung

Vibrant Performance's 4AN Male Weld Bung gives you a clean, permanent solution for custom fluid routing on any fabrication project. Whether you're building a custom aluminum radiator, upgrading your oil system, or creating a specialized catch tank, this weld-on fitting integrates seamlessly into your design without compromising strength or reliability. The 0.75-inch flange provides a solid mounting surface that distributes stress evenly, making it ideal for high-pressure applications where you need peace of mind. This is the go-to fitting for Speed Tuned customers who demand professional-quality results on their custom builds.