Description
- Exceeds warranty requirements of engine manufacturers that require a type API CK-4/SM premium synthetic blend SAE 15W-40 motor oil.
- (HTHS) High-temperature, High-shear viscosity.
- More oxidization protection for hotter, heavy-duty engines.
- Meets Ford’s stringent 2017 and newer WSS-M2C171-F1 specification.
- Backwards compatible for all engines currently requiring CJ-4.
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Duragard Diamond Plate Synthetic Blend CK4 15w40 Engine Oil - 2.5 Gallon Jug - Meets Ford WSS-M2C171-F1
