Spectra Premium Spectra Fuel Tank and Pump Assy (W/Fn) GM37EFI Spectra Premium Classic Injection Fuel Tanks meet or exceed the performance of the original equipment they replace Application specific design ensure a perfect fit guarantee OEM, fit, form and function paired with today's fuel injection technology Fuel tanks made with corrosion resistant O.E.M. approved Ni Terne steel Proudly manufactured in Canada under ISO 9002 quality systems