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We love your engine as much as you do. That's why we're making it even easier for you to try our best fuel. Save 20c per gallon on our Premium Fuel by filling up on Thursdays at participating stores.

Ready to treat your engine, right? Our Premium Fuel has 2x the cleaning detergents to prevent deposits on fuel injectors, increase mileage per gallon, and boost engine performance. We guarantee our fuel is high-quality, and we're always looking for ways to make fueling easier for you.

Fill-up on Premium at Circle K!

*Limited time only.
Offer valid Thursdays at participating stores. Price at the pump reflects discounted price during that time.