![Signature Series Battles Sludge of High Mileage Cars 0w-30 award winning performance motor oil](https://syntheticwarehouse.com/wp-content/uploads/2017/10/amsoil_signature_0w30-1-162x205.jpg)
Signature Series Battles the tough Sludge The health of your engine depends on motor oil circulating quickly and efficiently through the system, but sticking components and obstructed passages inhibit motor oil from lubricating, cooling and protecting your engine. Engine “sludge”…