High-Capacity Engine Break-In Protection

When performing a full engine rebuild, you need enough high-quality break-in oil to ensure complete protection. Lucas Oil SAE 5W20 Break-In Oil in a 5-quart jug provides the ideal volume for most standard oil capacities, ensuring your new engine components are bathed in a high-zinc (ZDDP) formula from the start. This oil is specifically engineered to facilitate proper ring seating while preventing damage to sensitive valvetrain components like flat-tappet cams.

Key Features

• Convenient 5-quart jug for full oil changes
• High levels of ZDDP for extreme pressure protection
• Promotes faster, more effective ring seating
• Prevents premature wear during the critical break-in phase
• Reliable conventional formula for performance builds

The high-zinc additive package is essential for protecting metal surfaces that have not yet developed a work-hardened surface. By choosing Lucas Oil, you are investing in the long-term health and power output of your engine. This oil is trusted by professional engine builders to deliver consistent results during the initial hours of operation. Whether you are building a street machine or a dedicated track engine, start it off right with the best protection available. Explore our comprehensive selection of engine assembly and break-in supplies at GGCRACING.