Castrol Syntrax 80W-140 is a full synthetic differential oil designed for use in high performance, severe service and long drain interval applications where API GL-5 is recommended such as performance vehicles, race and rally cars and severe service commercials.
Castrol Syntrax 80W-140 is suitable for use in both limited slip and non-limited slip differentials. It provides maximum protection from wear and noise in high temperature and high load applications and the low friction formula even helps to improve fuel economy. Syntrax 80W-140 has a high shear stable formula, this means it will retain its lubricating and performance properties while also extending the drain interval of the oil. Castrol Syntrax 80W-140 is compatible with mineral based oils and seals making it easy to upgrade without the need for seal changes or flushing.
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