Blended from imported base oils and additives , Emerald 2W-50W is a highly synthetic blend multi-grade 4T oil specially make for 4-stroke motorcycle engines. Specification : Type: Synthetic Blend Provides complete engine protection Makes strong oil layer for excellent protection and lubrication Reduces wear under a wide temperature range Meets the requirements of leading motorcycle manufacturers Prevents clutch slippage and meets friction tests stipulated in JASO T903, Grade