Castrol Syntrax Limited Slip 75w-90 is a synthetic automotive and heavy duty equipment gear oil. Syntrax is a line of Lubricants manufactured by Castrol that are extra high performing synthetic gear oils known for their high load-carrying capabilities. Limited Slip formulations exceed API GL-5 and API MT-1 specifications and are ideal for use in limited slip automotive gear boxes. 75w-90 represents the thickness of the oil based on Society of Automotive Engineers (SAE) standards. 

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