Signature Series 0W-40 Synthetic Motor Oil
A New Level of Motor Oil Technology
• 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. • Trusted by professional engine builders • Guaranteed protection for up to 25,000 miles or 1 year 1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification. 2Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
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Description
Signature Series 0W-40 Synthetic Motor Oil
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.
See the Product Data Bulletin for full details.
FIGHTS ENGINE WEAR
- 75 percent more engine protection against horsepower loss and wear1 than required by the industry standard, extending the life of vital components like pistons and cams.
- Develops a strong fluid film that keeps metal surfaces separated.
- Robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life.
1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification.
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