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TO-4 Fluid Selected, highly refined base stocks Compounded with additives to enhance oxidation and heat resistance, specified friction control and
For all new engines requiring CK-4 fluid and are also backward compatible with old API service categories Formulated using premium
For all new engines requiring CK-4 fluid and are also backward compatible with old API service catagories Premium conventional and
For all new engines requiring CK-4 fluid and are also backward compatible with old API service catagories Premium conventional and
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