This oil additive/stabilizer features XPL+ Xtreme Pressure Lubrication technology to bond to the metal, reduce friction and give protection and performance second to none! For all diesel engines and higher mileage gasoline engines. Pro-One Heavy Duty Oil Stabilizer features XPL+ Xtreme Pressure Lubrication technology to bond to the metal, reduce friction and give protection and performance second to none! For all diesel engines and higher mileage gasoline engines. CONTAINS XPL+ Xtreme Pressure Lubrication â?? Metal bonding agent â?? Anti-wear agent â?? Seal conditioner detergent inhibitor â?? No solids, chlorine or harmful solvents! BOTTOM LINE BENEFITS: Stop oil burning & oil leaks Slow blow-by, smoking & oil contamination Protect against wear to extend engine life Give more power with better fuel economy Provide dry start protection Easier starting at all temperatures Increase oil pressure Condition seals to extend life Stop thermal breakdown Quiet engines & gear boxes Extend oil life by 50% or more