Sierra Marine Hi-Performance Synthetic Blend Lower Unit Gear Lube Oil

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Sierra Marine high performance synthetic blend lower unit gear lube oil is specifically formulated for high performance, large horsepower marine drive systems. This marine formulation reduces operating friction for increased performance, while protecting gears, bearings, and other gear case components. For use in both outboard and I/O lower units, Sierra Marine synthetic blend lower unit gear lube is designed to surpass the performance of the OE high performance gear lubricants.