AMSOIL keeps pistons cleaner even after doubling the length of the industry standard test. In independent testing AMSOIL 5-30 delivered cleaner pistons by 40% than required by standard. 75% more engine protection against horsepower loss and wear.
- 50% more cleaning power vs. AMSOIL OE Motor Oil
- Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification.
- Trusted by professional engine builders
- Guaranteed protection for up to 25,000 miles or 1 year