Designed to restore pristine cleanliness to the dirtiest of engines (diesel and petrol), Flushing Oil Concentrate has saved many thousands of diesels from expensive rebuilds.

• Removes engine sludge & hard carbon
• Frees stuck piston rings
• Reduces smoke, blowby & oil use
• Restores compression
• Prevents diesel oil going black straight after a change
• Suitable for all engines, transmissions & diffs