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X/C 20W-50 is the first approved multiviscosity aviation oil for opposed piston engines. It provides better engine performance than any single-grade oil in all weather conditions. X/C 20W-50 is formulated with an ashless dispersant package allowing for cleaner engine operation. X/C 20W-50 is recommended for break-in.
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Phillips Cross Country 20W50 Motor Oil Phillips Cross Country 20W50 Motor Oil. Purchase By the case and save!