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Lucas Semi-Synthetic SAE 20W-50 racing motor oil

Item number: 10306

It’s common knowledge that as oil temperature increases, viscosity decreases. The best way to combat this issue is a higher viscosity, thermally stable engine oil that can perform consistently at these elevated requirements. Fortified with ZINC Technology and bolstered with the Lucas Semi-Synthetic additive blend.


  • Fortified with extra ZINC for severe racing applications.
  • Resists breakdown and contamination from exotic fuels such as nitro and methanol.
  • Resists thinning out at high crank-case temperatures.
  • Available in 1Qrt & 5Qrt cans.