This is a brand new 2 x 17 polished stainless radiator overflow tank. This tank has a beautiful polished finish. It has a polished billet screw on style cap that has an o-ring for an extra tight seal. Universal mounting brackets adapt to almost any vehicle. This tank includes the mounting brackets and bolts. This tanks holds about 26 ounces of fluid. It is perfect for any street rod, hot rod, or custom project.