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Learn about the differences between conventional and synthetic lubricants, review performance test results or learn more about AMSOIL in general.
LEARN MOREBrowse the full line of AMSOIL synthetic lubricants, filters, fuel additives and more. Place your order online and have it shipped direct to your house.
BUY NOWOrder $100 or more in AMSOIL products and receive free shipping, OR become a Preferred Customer and save up to 25 percent on every order.
VIEW OFFERSAMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides 6X more wear protection than required by a leading industry standard1.
Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.
LEARN MOREBrowse the full line of premium AMSOIL products in the latest AMSOIL factory direct catalog.
REQUEST CATALOGAs one of a few independently owned oil companies, we've always stood apart from the big oil companies. We maintain the freedom to formulate products based on performance, not price. The result is a complete product line of full-synthetic lubricants that helps you push the limits of vehicle performance, power and speed
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