AMSOIL Signature Series 0W-20 100% Synthetic Motor Oil
- 75% more engine protection against horsepower loss and wear.
- 50% more cleaning power vs. AMSOIL OE Motor Oil
- Protects turbochargers 72% better than required by the GM dexos1 Gen 2 specification.
- 28% more acid-neutralizing power than Mobil 1.
- Trusted by professional engine builders
- Guaranteed protection for up to 25,000 miles or 1 year
Based on independent testing of AMSOIL Signature Series 0W-20 using the ASTM D6891 standard test.
Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.
