Premium Mineral 20W-50 is a high quality mineral, SAE 20W-50 engine oil made from pure hydrocracked base oils and the latest anti-wear additive system that provides complete engine protection, less sludge formation and reduced piston deposits extending engine life. NOTE: Replaces Everyday Driving 20W-50 APPLICATION Premium Mineral 20W-50 is designed for use in modern 4, 6 & 8+ cylinder naturally aspirated, supercharged & turbocharged engines. It is also suitable for use in rotary engined vehicles such as Mazda RX series vehicles that require this viscosity grade. Premium Mineral 20W-50 is designed for use petrol, LPG and light duty vehicles where SAE 20W-50 oils are specified in the owners handbook. It meets the latest API SN/CF specification providing increased wear protection, better resistance to sludge formation and lower piston deposits than previous and lower grade oils. It can also be used where previous API specifications SM (2004-10), SL (2001-04), SJ etc were recommended. Premium Mineral 20W-50 is designed for use in passenger car, 4WDs and light commercial petrol driven vehicles. It is not recommended for use in four stroke motorcycles with wet clutches. It is compatible with Petrol/LPG (Dual Fuel), E10 and diesel as well as most other conventional fuels. NOTE: when changing oil, Penrite recommend using Penrite Engine Flush, a fast acting, solvent free, engine cleaning formulation that removes engine deposits, sludge and contaminants with the oil service drain. It contains added zinc for engine wear protection and its fast acting formulation works in 10 minutes.