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KEJINGWEI's K-WAY Black Gold is a premium gasoline additive, combatting carbon buildup in electronic injection vehicles. Using a PEA formula, it optimizes engine performance and ensures rapid throttle response. For use, pour into the tank before refueling; suitable for 40L-60L of gasoline. Its ergonomic bottle, featuring the brand's "K" and a carbon fiber design with a gold emblem, offers tech elegance and strong brand recognition.