UK approved stockist. An advanced patent pending pour-in oil treatment that breaks down carbon deposits and sludge from lubricated engine components. Sludge and carbon deposits in the motor oil can cause serious engine problems. 505CRO cleans carbon deposits from the engine and reduces problems with; sticking piston rings, sticking lifters, sticking camshaft phasers, sticking oil control valves, sticking timing chain tensioners, restricted oil screens (e.g. oil pump pick up). ATS 505CRO increases engine performance while reducing engine oil consumption all within a 5-15 minute cleaning.

For use in gasoline & diesel engines.

FOR PROFESSIONAL USE ONLY. ATS 505CRO Oil System Treatment is designed to be added directly to the motor oil. Remove fill cap and pour contents into engine oil. Run engine at high idle for 10 or more minutes then change motor oil and filter. One can will treat 4 to 8 quarts of motor oil. Cleans carbon deposits from the engine reducing problems with; sticking piston rings, sticking lifters, sticking camshaft phasers, sticking oil control valves, sticking timing chain tensioners, restricted oil screens. Increases engine performance while reducing engine oil consumption.

It is recommended to use both treatments every other oil change. Do not use more than one bottle of 505CRO per oil change or one bottle of 505CRF per tank of gas. More chemical added is not better. Please follow directions!

Warning: Do not mix with other chemicals in oil or fuel

Not recommended for aviation engines.