The 300V FL 10W40 Ester Core is a high-performance, fully synthetic motor oil formulated for use in high-performance engines. It is designed with an ester-based core to provide excellent lubrication, durability, and thermal stability. The oil helps reduce friction, improve engine efficiency, and protect against wear, making it ideal for both street and motorsport applications. With a 10W40 viscosity, it offers optimal performance across a wide range of temperatures.