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Semi-Syn - 1qt/946ml, 20W-50

Semi-synthetic, ester-based automotive engine oil designed to ensure optimum protection and peak performance for race and hot rod engines. Surface-active ester synthetics provide exceptional oxidative and thermal stability while preserving film thickness and wear resistance across all operating temperatures. World-class, proprietary additive system facilitates maximum power, efficiency and cleanliness for unrivaled engine performance and durability.
Pricing: $11.99



Highlights & Features
  • Superior protection at any temperature Maxima Logo

  • Shear-stable, ester-based formula maintains oil viscosity and film thickness Maxima Logo

  • 2X Zinc System provides maximum protection for flat tappet cams and roller cams Maxima Logo

  • World-class, proprietary additive system and esters combine to virtually eliminate oxidation and wear Maxima Logo

  • Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean Maxima Logo

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Product Series


Maxima Semi-Syn is compatible with petroleum and synthetic engine oils. SEMI-SYN is a fully formulated race oil and does not require the addition of additives or boosters. No special procedures are required when changing to Maxima Racing Oils.NOT RECOMMENDED FOR STREET USE. MAXIMA SEMI-SYN race-grade formula has elevated anti-wear additives designed to protect engines in extreme conditions. Elevated antiwear additives may adversely impact emissions. systems on passenger cars.


Technical Data Sheet

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Safety Data Sheet

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Shipping Information

  • Item Requires Shipping
  • 2.5 lbs.

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