This product features an ash-free ultra-clean dissolving formula designed to remove engine sludge, gum, moisture, metal corrosion, and metal debris resulting from improper engine wear, without leaving any ash residue. By idling the engine for 10 minutes with this product added, it effectively reduces contamination of new engine oil, maximizes lubrication functions, improves engine noise, prolongs engine life, and cleans engine valve lifters, hydraulic lifters, and rocker arms. It contains no corrosive components, excellent anti-wear properties, and protects the engine from damage during cleaning.