AMS 0W40 Signature
75% more engine protection against horsepower loss and wear.1
50% more cleaning power vs. AMSOIL OE Motor Oil
Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification.
28% more acid-neutralizing power than Mobil 1.3
Trusted by professional engine builders
Guaranteed protection for up to 25,000 miles or 1 year
| Brand: AMS, AMS |