WAKO'S EF-OIL Engine Flushing Oil, E355 Internal Engine Cleaning Oil, 3L [HTRC3]

Add 2/3 or more of the specified amount of EF oil, idle for 20 to 30 minutes, and then drain the oil. Replace the oil filter before adding new oil. It penetrates into narrow clearances and its powerful cleaning power cleans, disperses, and removes dirt. Add 2/3 or more of the specified amount of EF oil, idle for 20 to 30 minutes, and then drain the oil. Replace the oil filter before adding new oil. It penetrates into narrow clearances and its powerful cleaning power cleans, disperses, and removes dirt.