Castrol GTX 5W-20 Synthetic Blend Motor Oil, 5 Quarts

Castrol® GTX® 5W-20 is a synthetic blend motor oil that provides superior sludge protection to help extend engine life.  Severe driving conditions such as heavy traffic, poor fuel quality, harsh driving conditions and exceeding oil change intervals can all cause the build-up of a thick, tar-like substance called sludge. Sludge can block your engine's vital oilways like cholesterol and if untreated, can rob an engine of its power and ultimately its life.   Castrol GTX 5W-20 is specially engineered to prevent harmful build-up of sludge while protecting against new sludge formation better than tough industry standards