100%
STP Additive Kit Fuel Injector Complete Fuel Treatment
by STP— Made in Multiple US facilities
Verified American Made
80% — High
Limited public documentation of specific factory location
Manufactured in Multiple US facilities
Manufacturing in USA since 1954Verified through 3 independent sources
- Brand website
- Product listing
- Multiple USA facilities
Complete fuel system treatment kit with fuel injector cleaner and carburetor cleaner. Made in USA. Cleans entire fuel system to restore power and improve fuel economy. Easy pour bottle design.
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STP Additive Kit Fuel Injector Complete Fuel Treatment
80% Verified