Royal Purple Break-in Oil is formulated to allow optimal ring seal and protect rotating assembly components such as the camshaft and valve train from initial start-up wear. Its high film strength provides engine protection superior to full synthetic oils that are not engineered specifically for new engines.

• Zinc and phosphorous fortified
• Outstanding wear protection for new motors
• Highly refined mineral oils preferred for engine break-in
• Excellent for flat tappet and roller cam engines