Castrol GTX MAGNATEC 5W-20 Full Synthetic Motor Oil, 5 Quart;

ONLY Castrol GTX MAGNATEC IS UNIQUELY FORMULATED TO PROVIDE INSTANT PROTECTION FROM THE MOMENT YOU START. Did you know testing confirms that up to 75% of engine wear occurs during the first 20 minutes of warm up?* When your engine stops, oil drains off critical engine parts, but the intelligent molecules in Castrol GTX MAGNATEC don't – they form an extra layer of protection during warm up, when your engine needs it most, dramatically reducing engine wear and keeping critical parts up to 4X smoother.* * As tested in the industry Sequence IVA wear test.