Castrol EDGE 5W-30 LL gives you the confidence to demand maximum engine performance from todays latest technology, highly engineered engines that operate with tighter tolerances, requiring a high level of protection and low viscosity oils. Castrol EDGE 5W-30 LL: Maximises short and long term engine performance Reduces engine deposits to help maximise engine response Sustains maximum performance even when under pressure Independently proven to Improve engine efficiency Delivers unsurpassed levels of protection across a variety of driving conditions and temperatures