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Castrol GTX
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.
As measured in the Sequence VH test, against API SP engine limits.
Donnelly Group