Break-In Oil 10w40 Case 12 x 1 Qt.

The Break-In Oil 10w40 Case 12 x 1 Qt. from MOTUL USA is a specialized conventional motor oil engineered for the critical break-in phase of newly rebuilt or recently overhauled engines. During this period, engine components—pistons, rings, bearings, and cylinder walls—require precise lubrication to establish proper wear patterns and prevent premature failure. This case contains 12 individual quart bottles, offering workshop-scale supply ideal for shops, restoration facilities, and serious enthusiasts who regularly service multiple vehicles or rebuild engines.

The 10W40 viscosity grade provides excellent low-temperature pumpability at cold start while maintaining robust film strength under engine load, making it suitable for both winter and year-round operation. MOTUL's break-in formulation is fortified with high zinc content—a critical anti-wear additive that reduces friction between newly machined or freshly honed metal surfaces during the vulnerable run-in period. The conventional mineral base resists shearing and delivers consistent protection as new engine components settle and tolerances stabilize, preventing the accelerated wear that could compromise long-term durability if an improper oil were used.

Professional rebuilders, performance shops, and classic car restorers rely on break-in oil to protect investments during the first critical hours of engine operation. The 12-quart format eliminates frequent reordering and ensures consistent product availability across multiple simultaneous projects. Each quart bottle is convenient for single oil changes, and the case weight of 26.45 lbs makes it manageable for storage and transport in shop environments or mobile service vehicles.