RECOMMEDATIONS/SPECIFICATIONS. international Standards: API SN, SL/CF-4, SL/CF, ACEA: A3/B3-16, A3/B4-16 SK VIGO Lubricant Synthetic Motor Oil SAE 5W-30 is premium. performance synthetic motor oils delivering ultimate performance and protection. It provides exceptional cleaning power, wear protection and overall performance keeping your engine running like new in all driving conditions.