XP6173 SN Gasoline Engine Oil Package Lubricant Additive XP6173 is formulated with a variety of additives such as good quality detergent, dispersant and anti-oxidation,etc. It has excellent detergency and dispersancy and oxidation stability, can effectively inhibit oil oxidation deterioration and sediment, prevent the engine wear. Use 9.6% of the dosage in the appropriate group III and group IV synthetic base oil to