Description
Racing and high-performance driving demand an oil that can withstand extreme temperatures, sustained high RPM loads, and severe shear forces that standard street oils simply cannot handle. PennGrade 1 10W30 Racing Oil delivers the zinc and phosphorous chemistry your engine needs to maintain film strength under demanding conditions, protecting critical surfaces when it matters most. Built on decades of trusted use by engine builders and professional racers, this partial synthetic formula keeps your engine clean, stable, and performing at peak efficiency.
- 10W30 viscosity grade
- Partial synthetic blend
- High zinc/phosphorous chemistry
- Enhanced film strength
- Anti-foaming properties
- High-temperature stability
- Detergent dispersant additives
- 1 quart bottles
- Case of 12 quarts
- Bolt-on convenience







