Is Ilsac multigrade engine oil Synthetic?

Is Ilsac multigrade engine oil Synthetic? A PREMIUM MOTOR OIL FOR HIGH PERFORMANCE GASOLINE ENGINES -API SM, ILSAC GF-4. Product Description: FULLY SYNTHETIC MOTOR OILS are high performance oils designed to meet the latest car manufacturers warranty requirements. Is gf4 oil synthetic? Fully Synthetic(9) What is Ilsac multigrade oil? GF-6 is the newest ILSAC engine … Continue reading Is Ilsac multigrade engine oil Synthetic?