Create a Free Online Account and Buy Direct 

A free online account allows you to buy AMSOIL products direct from the factory and have them shipped right to your doorstep. Here are two ways to purchase directly from AMSOIL.

Pay suggested retail Become a Preferred Customer

  • Buy AMSOIL products at wholesale prices, which is approximately 25 percent less than suggested retail.
  • Receive a kit with information on AMSOIL products, and the monthly AMSOIL product, racing and information publication, AMSOIL Magazine.
  • Add a Preferred Customer membership to your cart now and the discount will be applied at checkout.

A free online account provides access to MyAMSOILGarage AMSOIL technical services, product recommendations and more.



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Extended Protection for Those Who Demand the BestAMSOIL synthetic lubricants are hand-crafted for those who live for peak performance and demand the best protection – so you can continue to enjoy your vehicles to the fullest.
AMSOIL Signature Series Synthetic Motor Oil delivers:
  • 75% more engine protection against horsepower loss and wear than required by a leading industry standard*, extending the life of vital components like pistons and cams.
  • A 92.5 percent better piston deposit score.*
  • Oil thickening limited to 82 percent below the standard*
*As required by a leading industry standard. Based on independent testing of AMSOIL Signature Series 5W-30, in ASTM D7320 as required by API SN specification.

BUY AMSOIL FOR YOUR VEHICLE 

AMSOIL BEATS MOBIL 1® AND ROYAL PURPLE® IN INDUSTRY-STANDARD TESTINGSignature Series 5W-30 Synthetic Motor Oil protects against harmful deposits on turbochargers 4X better than Mobil 1 Extended Performance and 3.6X better than Royal Purple in industry-standard testing.*
SEE THE RESULTS                                                        


* Based on independent, third-party testing of AMSOIL® Signature Series 5W-30, Mobil1® Extended Performance 5W-30 and Royal Purple® API 5W-30 in the ASTM D6335 bench test required by the API SN Resource Conserving specification.