STP Oil Treatment fights friction to help protect against engine wear. This high-viscosity formula, complete with anti-wear agent ZDDP (Zinc Dialkyl Dithiophosphate), is specifically formulated to help fight metal-to-metal friction and helps reduce oil consumption.

Product Features:

• Contains zinc anti-wear agent ZDDP that fights metal-to-metal friction
• Reduces oil consumption
• Lubricates moving engine parts by providing a thicker cushion between moving engine parts
• Scientifically engineered for Conventional or Synthetic Oils
• High viscosity formula can be used for all cars, light trucks and SUV's