ENOC ZENON PREMIUM PLUS SYN fluids are Synthetic based high quality mild extreme pressure multigrade gear and transmission oils suitable for use in cars, trucks, buses, construction plant equipment. They are blended from high quality synthetic base oils and incorporate balanced, extreme pressure chemical technology to minimise scuffing and scoring of transmission gears operating in high speed and high torque conditions where API GL-4/GL5 performance level is required. Especially recommended for trucks and coaches equipped with ZF manual gear boxes