Product details: Name: Engine wear protector, car noise reduction, anti-vibration, anti-rust agent, car cleaning and maintenance agent Capacity: 100 ml Shelf life: 3 years Storage method: Please keep in a cool and shaded place Features: Our engine wear protector contains dipropylene glycol methyl ether and sodium pyrophosphate. It can form a protective layer on engine parts, significantly reduce wear and extend engine life, while keeping the engine running at optimal performance, reducing friction and making operation smoother. Its use is simple: 1. Turn off the engine and wait for cooling. Check the engine oil level; 2. Open the oil filler cap, pour the appropriate amount of engine booster and repair agent, and tighten the filler cap; 3. Start the engine and idle for a few minutes to fully mix the protector and engine oil; 4. Drive a short distance to ensure that the engine is running normally. Experience a quieter engine without advanced noise reduction formulas to minimize engine noise and vibration. Products include: 1*Engine wear protectant\2*Engine wear protectant Note: Please allow slight size errors (1~2cm/0.39~0.78inch) due to manual measurement, which shall prevail in actual receipt; Please allow slight color errors under different monitors.