Features: 1. Enhance power and prolong engine life. 2. Reduce noise and jitter. 3. Effectively lubricates the engine. 4. Reduce fuel consumption and save private money. 5. Relieve blue smoke. How to Use: After the car is turned off, unscrew the engine cover and add the oil to the engine oil. In winter, it is recommended to idle for 10 minutes, then turn off the engine and add the oil for better results. Motorcycles: Half a bottle Engines below 3.0L: One bottle Engines 3.0L and above: Two bottles Large vehicles (4-5L engine oil capacity): Two bottles Large vehicles (6-8L engine oil capacity): Four bottles Specifications: Name: Highly Effective Engine Anti-Wear Protectant Net Content: 100ml Shelf Life: 3 Years Compatibility: Engine, Transmission (Diesel Gasoline Universal) Package Included: 1/2/3 Pcs * Highly Effective Engine Anti-Wear Protectant 1/2/3 Pcs * Cleaning Sponge 1/2/3 Pcs * Cleaning Towel Notice: 1. Due to manual measurements, please allow slight measurement deviations. 2. Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture. 3. If you have any questions, please let us know and we will solve the problem as soon as possible. Thank you very much!