Description
- Exceeds warranty requirements of engine manufacturers that require a type API CK-4/SM premium 100% synthetic SAE 5W-40 motor oil.
- (HTHS) High-temperature, High-shear viscosity.
- Excellent oxidation protection for hotter, heavy duty engines
- Meets Ford's stringent 2017 and newer WSS-M2C171-F1 & prior specification.
- Backwards compatible for all engines currently requiring CJ-4
Duragard Diamond Synthetic CK-4 SAE 5W-40-5 Gallon Pail - Meets Ford WSS-M2C171-F1
