Petrovöll STÄRK Semi Synthetic is a partly synthetic, multi-grade, low-viscosity engine oil for use in petrol and diesel car engines. Produced using selected mineral-based and synthetic base oils, its high level of performance is achieved through the interaction of its special base oil composition and advanced additives.The modern design of Petrovöll STÄRK Semi Synthetic grades makes a wide range of applications possible and ensures reliable performance under all operating conditions.