With three times the API's mandated level of zinc, Black Diamond Outlaw Oil provides impressive wear protection to help your oil stay cleaner longer; you'll experience an increase in horsepower of up to 3 percent With its 100 percent pure PAO Group IV synthetic composition, plus a unique FR3 nanotechnology and CK-4 additive package, Black Diamond Outlaw provides unsurpassed longevity and keeps your oil cleaner for longer Black Diamond Outlaw Oil's unmatched protection using FR3 nanotechnology coats the metal components of your engine to provide the ultimate in wear protection on everything your oil touches This PAO engine oil with FR3 lubricant fills in the fine abrasions on your engine's internal metal components; with this reduction in friction, your engine will experience higher fuel economy and increased horsepower Black Diamond Outlaw Oil uses a high zinc and antimony extreme pressure additive combination to increase boundary layer protection; formula creates a strong tribofilm layer and reduces wear