Features: The 30 0300 Wideband Air/Fuel Ratio Gauge provide precise monitoring and control of air to fuel ratio, ensuring engine efficiency and power output. Crafted with quality materials, this wideband sensors gauge offer durability and reliability for extended use in various environments. For enthusiasts and enthusiasts, this wideband controllers is an essential tool for achieving accurate air to fuel ratio control and optimization. Whether for engine modifications or everyday use, this wideband controllers allows monitoring and adjustment of air to fuel ratio, improve engine performances. With its ability to improve fuel efficiency, reduce emissions, and ensure stable engine operation, this wideband controllers is a valuable addition for those seeking a better driving experience and cost savings. Specifications: Material: Metal, Plastic Part Number: 30-0300 Package Includes: 1 Set Air/Fuel Ratio Gauge note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.