Looking for a valve stem that fits Alcoa rims or steel wheels with 9.7mm metric holes? The AA American Automotive 44-70MS-7 Valve Stem is ideal for heavy-duty applications, designed specifically for aluminum and steel wheels requiring the precise 0.39in (9.7mm) fit. With a 7-degree bend, this valve stem provides optimal accessibility, making it a top choice for tire techs working with imported trucks or fleets. Trusted by professionals, the 44-70MS-7 ensures reliable air retention on Alcoa and Euro-bore wheels, delivering durability and security where it matters most.