Castrol MAGNATEC Hybrid 5W-30 is suitable for use in automotive gasoline and hybrid vehicles where the manufacturer recommends an API SP, ILSAC GF-6 or earlier specification 5W-30 lubricant, including hybrid engines. Castrol MAGNATEC Hybrid helps protect against the specific issues that challenge hybrid engines. Its unique DUALOCK Technology Clings like a magnet and Locks together, forming a powerful forcefield of wear Protection, providing 50% better protection from low temperature(1) and re-start(2) engine wear.