Authorized AMSOIL Dealer

Formulated, Blended, and Packaged In the U.S.A.

Tom Santell

Power Sport Oil

San Leandro, Ca


AMSOIL Signature Synthetic Lubricants Excel in Summer Heat

Extreme summer heat can cause motor oil to break faster and lose viscosity. Amsoil was tested by an independent laboratory and ran at 304 degrees F for 90 minutes. Afterward, the oil was put back into the engine and the test run again. After running the test a second time the Signature Amsoil still maintained its viscosity and delivered 40% cleaner pistons than required by industry standards.  Amsoil Signature series oils have been tested in the field and labs at temperatures far beyond those your engine will encounter and still provided superior protection! Click here to shop!