Hks Super Synthetic Oil Premium Universal API SP/ILSAC GF-6A 0W20 4L 52001-AK148 Maximize the original performance of the engine with the latest design that has reviewed everything. Corresponds to the latest API standard "SP standard". Achieves stable performance and high oil film retention even at high rpm and high temperature range. Achieves excellent durability and high-performance driving up to sports driving.