SS Racetech Rods & Customs provides Speedflow Weld on fittings, essential components for creating robust and leak-free connections in your automotive projects. Enhance your system's reliability and performance with our selection of high-quality fittings.

Speedflow Weld on fittings are expertly crafted to provide secure and durable attachments.

Filler cap & weld bung assemblies - This non-vented cap features an internal O-ring that seals securely, providing a reliable hand-tightened lock. The ergonomic finger grips make for easy operation.

Whether you're fabricating a tank, need an oil filler, or have another special application, we have a cap that’s perfect for your needs!

990 series Female ORB Weld Bung -  Choose from steel or aluminum for your specific application needs when selecting a port weld bung.

997 series NPT Female Weld Bung - Our Female NPT weld bung is expertly crafted to deliver a secure, leak-free connection. These precision-machined fittings make your fabrication tasks efficient and reliable. Whether you're constructing a custom setup or enhancing an existing system, these weld bungs are the ideal choice for professional-grade results.

989 Series weld bungs- If you are making custom headers, or just require a O2 Sensor in your system for data logging, engine management or test equipment, we have these weld on M18 x 1.5 weld fittings designed to accept the commonly found and used M18 O2 Sensors. 

999 stainless steel Male weld bung- Our Male AN weld bungs are precision-machined from high-quality 6061-T6 aluminum.

999 series AN Male Hex Weld Bung - Aluminium: Our aluminum AN male weld bung provides a lightweight and strong connection point.

999 AN Male Weld Bung - Aluminium: Build your custom setup with a Speedflow aluminum AN male weld bung. These bungs offer superior weldability and corrosion resistance for a long-lasting performance.