Description
High-performance engines demand oil engineered for extreme conditions—not the off-the-shelf conventional stuff sitting on auto-parts shelves. PennGrade 15W40 delivers elevated zinc and phosphorous chemistry that clings to critical engine surfaces under sustained load, protecting your internals when it matters most. Whether you’re building a race engine, pushing hard on the track, or maintaining a modified street machine, this semi-synthetic blend provides the film strength and anti-wear protection you need to keep combustion pressures and heat from breaking down your lubrication layer.
- 15W40 semi-synthetic blend
- High zinc formulation
- Enhanced phosphorous chemistry
- Superior film strength
- Anti-foaming properties
- High-temperature stability
- Detergent dispersant package
- 1 quart bottle
- Bolt-on installation
- MPN: BPO71586
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