HFR Fabrication brings over 25 years of experience into every car they build and drag racing part they manufacture.
This team has become synonymous with raising the bar with developing drag racing parts that they not only use on clients cars but for sale to each of you.
The HFR Fabrication store is packed full of the finest drag racing parts from carbon fiber wing parts, wing struts, FuelTech, Holley and many pieces that make your build more effective.
FREE GROUND SHIPPING ON ORDERS OF $250.00 OR MORE INSIDE THE CONTINENTAL UNITED STATES.
304SS Weld In O2 Saddle Bung
HFR Fabrication 304SS Weld-In O2 Saddle Bung – Built to Fit. Built to Last.
Take the guesswork out of sensor placement with the HFR Fabrication 304 Stainless Steel Weld-In O2 Saddle Bung—engineered for a flawless fit on round tubing and extreme durability in high-heat exhaust environments.
🔩 Precision-Machined from 304 Stainless Steel – Corrosion-resistant, high-strength, and ideal for high-temp exhaust systems.
🛠️ Saddle (Coped) Design – Pre-contoured to match standard exhaust tubing for an exact fit and clean, easy welds.
📏 Standard M18 x 1.5 Threads – Compatible with most O2 and wideband sensors, ensuring a secure, leak-free fit.
🔥 Ideal for Custom Exhausts, Turbo Builds, and Tuning Ports – Designed for performance, whether you're building on the street or the strip.
🇺🇸 Fabricator-Tested. Race-Proven. – Trusted by top builders and tuners who rely on quality and consistency.
Say goodbye to flat bungs and uneven welds—this saddle-style bung saves time, reduces prep work, and ensures a professional result every time.
