Help protect engines from friction, wear, and oil consumption with STP Oil Treatment. Designed for cars, light trucks, SUVs, this high-viscosity oil additive helps provide a thicker cushion between moving engine parts to reduce metal-to-metal friction. Formulated with the anti-wear agent ZDDP, it can be used with conventional or synthetic motor oils and is a practical choice for added engine protection during regular oil changes or top-offs.

• Engine Oil Treatment – Helps improve engine protection when added to compatible motor oil
• High-Viscosity Formula – Provides a thicker oil cushion between moving engine parts
• Fights Friction – Helps reduce metal-to-metal friction that can contribute to engine wear
• Anti-Wear Protection – Contains ZDDP to help protect critical engine components
• Conventional & Synthetic Oil Use – Scientifically engineered for use with compatible conventional or synthetic motor oils
• Vehicle Compatibility – Suitable for cars, light trucks, and SUVs when used as directed
• Routine Maintenance Use – Great for oil changes, top-offs, and added engine protection between service intervals