Dealing with the spit valve on some middle school kid's trombone is pretty nasty, but not nearly as disgusting as walking into your local parts warehouse to pick up a power brake booster check valve. When you shop for a power brake booster check valve there, you'll get complimentary grease, grime and a snoot full of halitosis. But, ordering an OEM-quality power brake booster check valve from AutoAnything will get you a 1-year lower-price guarantee. On top of that, we offer free standard shipping with your power brake booster check valve.