Engine Break-In Oil & Additives

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The break-in period is a crucial time for a new engine. Break-in oil is specially formulated to support new engine components and provide lubrication for the first start and break-in period. Engine break-in oil has high film strength and contains higher levels of zinc and phosphorus in order to provide a more efficient ring seal and better protection against initial start-up wear. O'Reilly Auto Parts carries a variety of break-in oils to give your new engine the support it needs to perform its best for years to come.

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