Should I use one oil in all three holes in my bike?
Learn the pros and cons of using one lubricant versus three specialized fluids for your V-twin motorcycle's engine, transmission, and primary chaincase.
Read More →AMSOIL's advanced synthetic formulas deliver unmatched wear protection, keeping your engine running stronger and lasting longer.
Experience improved fuel efficiency and performance with AMSOIL's friction-reducing synthetic lubricants.
From Georgia's hot summers to cold winter mornings, AMSOIL excels in all conditions.
Get the most from your AMSOIL investment with expert insights
Learn the pros and cons of using one lubricant versus three specialized fluids for your V-twin motorcycle's engine, transmission, and primary chaincase.
Read More →Discover why proper filter handling matters and how metal fatigue from dents can lead to catastrophic filter failure and engine damage.
Read More →Compare AMSOIL and Castrol synthetic oils across performance, protection, and value to make the best choice for your engine.
Read More →Over 50 years of synthetic oil innovation for your work truck or towing rig
AMSOIL delivers 75% better engine protection than conventional oil, extending engine life significantly.
Go up to 3X longer between oil changes with AMSOIL's superior synthetic protection.
From Georgia heat to cold snaps, AMSOIL flows at -40°F and resists breakdown at high temps.
First synthetic motor oil in America (1972), continuously advancing lubrication technology.
AMSOIL synthetic motor oils are engineered from premium synthetic base stocks and advanced additives. This provides superior wear protection, better fuel economy, extended drain intervals, and exceptional performance in extreme temperatures compared to conventional petroleum-based oils.
Yes! AMSOIL synthetic motor oils are formulated for extended drain intervals - up to 25,000 miles or 1 year (whichever comes first) for normal service. Always follow your vehicle manufacturer's recommendations and consider severe service conditions.
No. AMSOIL synthetic lubricants meet or exceed all manufacturer specifications and API requirements. Using AMSOIL will not void your vehicle warranty. In fact, AMSOIL's superior protection may help your engine last longer.
AMSOIL uses exclusive distribution through independent dealers like National Synthetics. This allows us to provide personalized service, expert product recommendations, and competitive pricing while maintaining product quality and authenticity.
Use the AMSOIL Product Guide for specific recommendations, or contact National Synthetics at 1-678-944-8816 for personalized assistance choosing the right AMSOIL products for your work truck or towing rig.
Join thousands of satisfied customers who trust AMSOIL for their vehicles.
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