Description
A synthetic 10W40 motor oil formulated for high-performance engines that demand consistent viscosity across extreme temperature swings. Whether you’re running extended track sessions or pushing your build to the limit, RS1040 delivers reliable film strength and oxidation stability without the breakdown risk of conventional oils. This case of 12 quarts ensures you’re never caught short between oil changes on your next race weekend or rebuild cycle.
- 10W40 viscosity grade
- Synthetic blend formulation
- 1 quart per bottle
- Case quantity: 12
- MPN: 39-16901
- RS series designation
- High-temperature stability
- Enhanced wear protection






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