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AMSOIL Performance Testing
Laboratory tested and proven on the road.
See how AMSOIL products perform in the lab and in the field.
Check out the tests 
Laboratory tested and proven on the road.
See how AMSOIL products perform in the lab and in the field.
Check out the tests 
Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.
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