The GM dexos* R specification applies to 0W-40 and 5W-50 motor oils that can withstand the rigors of high-speed, high-load conditions created with high performance driving. Testing is complete and AMSOIL Signature Series already exceeds the spec. The dexos R icon will be added to Signature Series 0W-40 and 5W-50
packages as a rolling change in 2023.
AMSOIL Signature Series Synthetic Motor Oil offers the highest level of performance and protection for todays passenger cars and light trucks. Currently engines today offer more horsepower per cubic inch than ever before from factory engines. These street performance cars are used many times for racing and other motorsports.
Learn more or purchase AMSOIL Signature Series 0w40 or 5w50
Download the current AMSOIL Signature Series Data Bulletin for all the currently recommended specifications
AMSOIL
*Trademark names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
