The OTC 7342 Fuel Injection Hose Quick Coupler is a high-quality pressure tester designed for use with gasoline engines. Made in the USA, this product includes a quick connect fitting for easy and convenient testing. Ideal for passenger vehicles as well as heavy-duty/commercial vehicles, this fuel injection tester features a maximum PSI of 100 for thorough leak detection. With its durable construction and reliable performance, the OTC 7342 is a valuable tool for automotive professionals and DIY enthusiasts alike.