Fabtech-Performance introduces the ever so hard to find Mobil one Jet Oil II. This Oil is Guaranteed not to be expired like most of the oil you that you do find off the internet. This is an essential General maintenance MUST HAVE for your 55K AMG Supercharger. The Specially formulated synthectics in this aircraft grade oil are made to exceed the demand of your Supercharger and adequately lubricate its internals.