Royal Purple Engine Break-In Oil - 1 Quart

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Royal Purple Break-In Oil is formulated to provide the critical wear protection needed by the engine valve train and camshaft while allowing new piston rings to quickly seat to the engine cylinder walls. Break-In Oil combines highly refined mineral oil (preferred for engine break-in) with an advanced additive package containing elevated levels of zinc/phosphorus anti-wear additive to optimize wear protection during the sensitive engine break-in phase. Elevated Zinc/Phosphorous Antiwear Additive Exceeds API SJ Performance Requirements High-Quality Mineral Base Stocks Show more