100%
AMSOIL Signature Series 0W-20 Synthetic 1 Gallon
by AMSOIL· Made in Superior, WI
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Verified American Made
American Score
100% · Very High
Manufactured in Superior, WI
Founded 1972Evidence from 3 sources
- Known factory location
- Brand website
- Product listing (Superior, Wisconsin)
Evidence Breakdown
Factory: City named
Website claim: Yes
History: Long record
Overseas lines: None known
Blended in Superior, Wisconsin. 25,000-mile intervals.
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AMSOIL Signature Series 0W-20 Synthetic 1 Gallon
100% American Score