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Royal Purple Break-in Oil is Zinc and Phosphorous fortified. Specially formulated for Crate Engine and Re-Builds. Shields and protects during that critical break-in period. Excellent for flat tappet and roller cam engines.

Note: Improvements in performance depend on the vehicle, it’s condition and how it’s used. This video is not intended to imply that all users will experience the same performance gain by upgrading to Royal Purple.