Spectra Premium VL1B Fuel Tank for Volvo 240 Series/260 Series Unit is designed to Original Equipment (OE) fit, form and function requirements accomplished by leveraging Spectra Premium's OE fuel system design expertise Made with corrosion resistant, 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 to verify that each design meets Spectra Premium's high standards for quality Does not include lock ring