The Kleinn Model 6350RT is a heavy-duty, steel replacement air tank specifically engineered for use with the universal 6350 onboard air system, as well as the HK7, HK8, USTL-, SDKIT-, RAM1500-, GM1500-, GMHD-, and TUN- systems. Built for extreme durability and long-lasting performance, this rugged steel tank features a corrosion-resistant internal coating and multiple port configurations to serve as the perfect direct-fit replacement to keep your high-pressure air horn system or onboard pneumatic accessories operating at maximum efficiency.