AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

AMSOIL Signature Series 5W-30 is the highest-performing synthetic motor oil, engineered for severe-duty and high-performance applications. Provides 75% more engine wear protection than leading competitors, exceeding API SP and ACEA A3/B4 standards. Prevents horsepower loss from deposits, resists pre-ignition, and protects against wear even after 25,000 miles. Maintains viscosity stability and engine cleanliness under extreme temperatures, ensuring maximum power, durability, and reliability.