Description
Racing and high-performance driving demand engine oil that can withstand extreme pressure, temperature swings, and sustained high RPMs without breaking down. PennGrade 1 40W Racing Oil delivers the zinc and phosphorous chemistry that protects against wear and maintains film strength under the demanding conditions that stock oils simply cannot handle. Built on decades of proven performance in professional racing and engine building, this conventional 40W formulation is the trusted choice when engine protection matters most.
- 40W viscosity grade
- Conventional mineral oil
- High zinc content
- High phosphorous additives
- Enhanced film strength
- Anti-foaming formula
- High-temperature stability
- Detergent/dispersant package
- 1 quart bottles
- Pack of 12
- MPN: 71406
- Bolt-on compatibility
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