AeroShell Oil 80 Break-In is an SAE 40 straight mineral aviation piston engine oil formulated for use during the break-in of newly overhauled or rebuilt engines. Supplied in a 55-gallon drum, it provides a reliable bulk option for engine shops and fleet operators.

This non-dispersant oil is designed to allow controlled wear, ensuring proper ring seating, reduced cylinder glazing, and stable compression after the break-in period.

Features and Benefits

• SAE 40 straight mineral oil for piston engine break-in

• Promotes correct ring seating and controlled wear

• Helps prevent glazing while supporting reliable compression

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

Applications

• Aviation piston engines following overhaul or rebuild

• Engine shops, MRO facilities, and fleet operators requiring break-in oil in bulk