If you're dealing with fuel system issues, this Bicos fuel pressure test kit is exactly what you need to figure out what's going on. It works with pretty much any gasoline engine - cars, motorcycles, trucks, RVs, SUVs, ATVs, you name it. The gauge reads from 0-100PSI (that's 0-7 bar) with a clear 2-3/4 inch dial that's easy to read. What's really cool is how many connection options you get - there's a 14-inch hose for standard Schrader valves, an 11-inch hose for certain Ford models, and an 8-inch hose for M6 test ports. Plus there's a brass fitting for unique test outlets and an aluminum tee to connect between your fuel pump and engine. Just a heads up though - this isn't for diesel engines or direct-injection high-pressure systems. But for regular gasoline engines, it's perfect for diagnosing fuel injector problems, pump issues, or any pressure-related fuel system troubles. The whole kit comes packed with everything you need, and the quality feels solid without breaking the bank. Whether you're a DIY mechanic or a pro, having one of these in your toolbox can save you so much time troubleshooting. No more guessing about fuel pressure - you'll know exactly what's happening in your fuel system. The rubber-covered gauge protects it from bumps and drops, which is always nice when you're working in the garage.