PETRONAS Ambra UNITEK PLUS is a synthetic based 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).