Lucas Heavy Duty Oil Stabilizer is a premium viscosity modifier engineered to enhance engine protection and performance. This 940ml formula reduces oil oxidation and wear, extending drain intervals while maintaining optimal film strength under extreme pressure conditions. Ideal for high-mileage engines and severe operating environments, it minimizes sludge formation and improves fuel economy. Compatible with mineral and synthetic oils, this stabilizer delivers superior anti-wear properties and thermal stability, ensuring your engine operates at peak efficiency.