This is a blend of sludge dissolving solvents which can be added to an engine a few minutes before an oil change to flush out deposits and free valves and rings.

• Frees up sludge associated with slow city driving
• Removes accumulated gums, varnishes, and sludge
• Releases sticky valves and piston rings
• Allows oil to circulate freely to all parts of the engine

Frees up sludge associated with slow city drivingBlue Mountain Professional