The multigrade synthetic oil provides excellent lubrication for both spark and compression ignition engines, including turbocharged engines, in all modern cars. It can be used in LPG and catalytic converter engines, keeping the engine clean and providing optimum driving performance. Shell Helix engine oils are designed to meet a wide range of requirements, regardless of driving conditions. Every aspect of the Shell Helix formula is the result of Shell's extensive experience in oils - from base oil technology, through additive selection, to miscibility.