The FAST? Wide-Band Air/Fuel Gauge Kit combines an economical and extremely accurate 2 1/16" gauge, Bosch wide-band oxygen sensor and standalone sensor control unit that mounts quickly and easily in the interior of any vehicle. Back lit for easy night viewing and wired so it is powered up whenever the engine is running, this kit is not only for serious power tuning but also ideal for monitoring the overall fuel tune of the engine when daily driving or making passes at the track. Kit includes gauge, module, harness, sensor and bung.

For over 10 years, FAST™ has been recognized as the leading developer of advanced electronic fuel injection technology. Our engineers have ignited new sparks never before seen in the EFI performance aftermarket year after year. With technical assistance that is beyond comparison, FAST™ has been able to build close relationships with customers. Many of these relationships have helped our Research & Development team stay on top simply by listening to the needs of our customers. In 2001, FAST™ became a member of the COMP Performance Group™, gaining a larger source of technological resources than ever before. This enabled the fuel injection innovator to conduct more extensive R&D efforts with a larger team of engineers, which ultimately led to even more discoveries in computer-controlled horsepower. Today, FAST™ continues to drive the aftermarket industry through constant new product development. And with a complete line of superior, easy-to-use EFI systems, intake manifolds, throttle bodies and other EFI components, FAST™ is committed to bringing the best fuel injection experience to both racers and street enthusiasts everywhere.