Lube Advisor

Sinclair Gasoline Fuel Additives

Vehicle Maintenance and Performance Fluids

Advanced technology for outstanding protection and performance.

Performance You'll Notice

As technology advances, so do the engine and vehicle system designs from OEMs. One brand has advanced right alongside. Sinclair’s advanced fuel additives meet the demands and challenges of balancing protection, toughness and endurance.

Sinclair Gasoline Fuel Additives

Sinclair Gas Treatment

Specially blended formula to remove water from the gas tank and clean performance robbing dirt, gum, and varnish from fuel injectors and carburetors.

Product Details 
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Sinclair Gasoline Fuel Additives

Sinclair Octane Boost

Specially blended formula to economically increase fuel octane level.

Product Details 
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Sinclair Gasoline Fuel Additives

Sinclair Complete Fuel System Cleaner

Specially blended formula to reduce friction and save gas.

Product Details 
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