PETRONAS Ambra UNITEK PLUS SSL is a synthetic engine oil developed in collaboration with NEW HOLLAND and FPT for Final/Stage V engines fitted with HI-eSCR2 system, common rail injection, particulate filter and variable geometry turbine. Its formulation, compliant with latest CK-4 stringent requirements, offers high oxidation stability to ensure optimized performance for extended drain interval (up to 750 hours). Specifically developed to be used in very cold climate, providing engine protection even in extreme cold start conditions.