10w40 Semi-Syn Oil Case 4 x 1 Gallons

The MAXIMA RACING OILS 10W40 Semi-Synthetic Oil Case includes four 1-gallon jugs of high-quality engine lubricant designed for both street and track applications. This semi-synthetic oil is ideal for automotive enthusiasts who seek dependable engine performance without the high cost associated with full synthetic oils.

This formulation offers a perfect balance between conventional mineral oil and full synthetic protection, providing excellent thermal stability and film strength. The 10W40 viscosity grade ensures optimal cold-flow characteristics for year-round driving, while the advanced detergency packages and anti-wear additives help reduce friction and deposit buildup in critical engine components.

Ideal for high-revving naturally aspirated engines, turbocharged platforms, and modified builds, this oil maintains superior ring-seal compatibility and valve-train protection. Whether for an initial fill or routine maintenance, this case format is perfect for both individual enthusiasts and automotive shops.