Optimize Engine Performance (1 Quart). Lucas High Mileage Oil Stabilizer. Your engine is the heart of your vehicle, and with Lucas High Mileage Oil Stabilizer, you can ensure it runs at peak performance.
Sludge is a thick, tar-like build-up that can form when engines face severe use; stop-and-go traffic, poor fuel quality, harsh temperatures, or extended oil change intervals. Premium 10W-40 conventional motor oil for gasoline engines.
