AMSOIL Signature Series 5W-20 Motor Oil Gallon
Engineered for enthusiasts seeking maximum protection and performance.
Precision-formulated with cutting-edge technology and a longstanding
devotion to making the world’s best motor oil. The result: engine
protection that blows the doors off the highest industry standards.
- 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.