Nulon Apex+ Semi Synthetic High Performance 10W-40 Engine Oil 5L Nulon APEX+, with Advanced Fluid Dynamics, dramatically improves engine oil flow efficiency to reduce power-robbing friction and maximise engine performance when you need it. Responding to driving inputs, Nulon APEX+ flows faster at low temperatures and resists extreme pressure, heat and wear of contacting metal surfaces to promote ultimate performance, fuel efficiency and protection in both everyday stop/start and the most demanding driving conditions. Nulon APEX+ 10W-40 High Performance engine oil is formulated with premium additive technology to provide enhanced protection for non-turbo and turbocharged petrol and light-duty diesel engines in high-heat and high-load driving conditions.