Lucas Oil Semi-Synthetic 5W30 ECO-FD Engine Oil is a part synthetic formulation designed for petrol and diesel engines requiring an SAE 5W30 specification. Blended from high-quality base oils and advanced performance additives, it enhances engine protection, reduces friction, and improves fuel efficiency.Discover the key features of this engine oil:Semi-Synthetic Formula: Engineered with premium base oils and performance-enhancing additives, this oil delivers excellent lubrication, minimises wear, and optimises engine performance for long-term reliability.Advanced Thermal Stability: Designed to maintain viscosity under extreme operating conditions, this feature ensures consistent oil pressure, reduces thermal breakdown, and supports efficient engine function.Enhanced Lubricity: Developed to reduce internal friction, this property allows for smoother engine operation, quicker acceleration, and the potential to achieve higher RPMs with improved efficiency.Cold Weather Protection: Formula