Product Details: The Bendix AD-IP Delivery Check Valve Kit is designed to provide reliable performance over a long service life. This kit is designed to resist a lot of use and tough environments while delivering enduring performance. The rebuild process is made easy and straightforward, allowing you to quickly and efficiently restore your system to its original condition. This kit is ideal for a variety of applications, including air brake systems, air suspension systems and more. FleetPride is your First Click in Heavy Duty®.