100%
AMSOIL Signature Series 5W-20 Synthetic 1 Gallon
by AMSOIL— Made in Superior, WI
Verified American Made
American Score
100% — Very High
Manufactured in Superior, WI
Manufacturing in USA since 1972Verified through 3 independent sources
- Known factory location
- Brand website
- Product listing (Superior, Wisconsin)
Evidence Breakdown
Factory: City-level verified
Website claim: Yes
History: 20+ years
Overseas lines: None known
Blended in Superior, Wisconsin.
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AMSOIL Signature Series 5W-20 Synthetic 1 Gallon
100% American Score