AeroShell Oil 100 Break-In is an SAE 50 straight mineral aviation piston engine oil developed for use during the break-in period of newly overhauled or rebuilt engines. Supplied in a 55-gallon drum, this bulk option is suited for maintenance facilities, engine shops, and fleet operators that require large-scale quantities.

Formulated without dispersant additives, AeroShell 100 Break-In allows controlled wear of piston rings and cylinder walls. This ensures proper ring seating, prevents glazing, and helps establish stable compression after break-in is complete.

Features and Benefits

• SAE 50 straight mineral oil for piston engine break-in

• Promotes proper ring seating and controlled wear

• Helps prevent cylinder glazing and ensures compression stability

• 55-gallon drum packaging for cost-effective bulk supply

Applications

• Aviation piston engines after rebuild or overhaul

• Maintenance shops, MRO facilities, and fleet operators

• Aircraft requiring a dedicated break-in oil for engine conditioning

AeroShell 100 Break-In Oil in the 55-gallon drum delivers dependable lubrication and effective break-in performance, making it a trusted choice for high-volume operators.