Spectra Premium Spectra Fuel Tank TO32A Unit is designed to Original Equipment (OE) fit, form, and function requirements Lock ring included with each tank to reduce installation time and ensure complete repair Made with corrosion resistant, Original Equipment (OE) approved, Ni Terne steel for durability Unit is leak tested after production to ensure product in free from fuel and/or evaporative leaks Each new fuel tank is road tested to ensure real world performance and verify high standards for quality