735449 Individual Parts Banjo

The Diag-4-Tune oxygen sensor tool kit is a professional-grade diagnostic solution for tuning Harley-Davidson fuel injection systems. This comprehensive kit includes a 12-volt dual exhaust pump, allowing for accurate road testing and real-time data collection. It features ten M18 weld-in bungs with matching plugs, specialized drills, and seal rings to facilitate the installation of wide-band oxygen sensors on any exhaust system. Designed to work seamlessly with Diag-4-Bike software, this kit provides the hardware necessary for precision EFI mapping and performance optimization. It is sold as a set and includes all extensions and tools required for a complete workshop or mobile tuning setup, ensuring accurate air-fuel ratio monitoring.