ASUKI® APEX 頂点 10W40 is a Premium 100% Fully Synthetic engine oil for use in modern gasoline & diesel engines of passenger cars which require “Low SAPS” oil with limited levels of sulfur, phosphorus and ash. The ASUKI® APEX 頂点 10W40 is fortified with ASUKI®’s signature NANO Technology with high viscosity index and outstanding oxidation stability. ASUKI® APEX 頂点 10W40 maintains optimal engine cleanliness, effectively prevents formation of varnish, burnout and low-temperature deposits.