AMSOIL Premium Protection Synthetic Motor Oil is formulated to provide superior protection and performance in a wide variety of demanding applications. Its unique combination of synthetic base stocks and a superior additive package results in a formulation that exceeds the requirements of most gasoline or diesel applications that call for 20W-50 motor oil. Premium Protection Synthetic Motor Oil is ideal for high-mileage vehicles and high-stress vehicles subject to hot temperatures, heavy hauling, trailer pulling or off-road use. It provides the extra anti-wear protection required by engines with flat-tappet cams and high-tension valve springs. AMSOIL Premium Protection Synthetic Motor Oil offers flexibility and performance beyond conventional oils for convenience and trouble-free operation. AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

  35 lb. Pail
  120 lb. drum
  415 lb. drum
  Case, 40-14½ oz. cartridges


Base Oil PropertiesLubriplate Clear Plex 2
Temperature Service Range (ºC)-50 to 150
Viscosity (ASTM D445) @ 25ºC500
Viscosity Index (ASTM D2270)>300
Flash Point (ºC) (ASTM D92)>310
Pour Point (ºC) (ASTM D97)-55
Grease PropertiesLubriplate Clear Plex 2
NLGI Grade3
Penetration (ASTM D217) Worked/Unworked240/230
Dropping Point (ºC) (ASTM D2265)>260

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