• Made in USA
• API SN PLUS
• Trusted by professional engine builders
• 50% more cleaning power
• Ideal for turbos & direct injection
• 1 U.S Quart(0.946ml) packaging

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.

• 50% more cleaning power vs. AMSOIL OE Motor Oil
• Ideal for turbos & direct injection
• Guaranteed protection for up to 25,000 miles or 1 year
• 50% more cleaning power vs. AMSOIL OE Motor Oil
• Ideal for turbos & direct injection
• Guaranteed protection for up to 25,000 miles or 1 year

The combination of industry-premier synthetic technologyAMSOIL Signature Series Synthetic 0W-40 Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with AMSOIL premium additives in a unique formulation that exceeds the higher performance demands of modern engines. Signature Series delivers the performance and value upon which the AMSOIL reputation is built. The culmination of more than 40 years of expertise, its exclusive formulation raises the bar for motor oil performance.

This is the best choice out there for the Nissan GT-R Twin Turbo Engine. Designed for vehicles under warranty including the 3.8 L VR38DETT twin-turbo V6. Unlike the OEM recommendation, this is a REAL synthetic that will not coke up the turbo charger lines.

1 U.S Quart(0.946ml) packaging