Castrol Edge High Performance Synthetic 0W40 A3/B4 Engine Oil stands out for its superior protection against engine wear, even in the harshest conditions. This oil not only guards vital engine parts but also enhances overall engine efficiency and performance making it the ideal choice for both road and motorsport applications.Key Features and Benefits:Fully Synthetic Composition: Ensures superior protection and lubrication under extreme conditions, leading to reduced wear on engine parts, which in turn prolongs engine life and guarantees reliability.Friction Reduction Technology: By reducing friction by up to 20% compared to regular oils, it boosts engine output and fuel efficiency, leading to improved acceleration, better MPG, and lower emissions.High Temperature and Pressure Performance: Designed to withstand severe pressure and temperatures, it ensures consistent engine protection making it ideal for both everyday road use and various motorsport applications.Extended Drain Intervals