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STP Fuel Injector & Carb 12ct 5.25oz

(3 customer reviews)


STP Fuel Injector & Carb 12ct 5.25 Oz


  • Fights deposit buildup and engine friction.
  • Maintains optimal engine efficiency.
  • Safe for any gasoline engines.
  • Compatible with cap-less gas systems.
  • 1 bottle treats up to 21 gallons of gasoline.

Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling.  STP Fuel Injector & Carburetor Treatment + Upper Cylinder Lubricant is specially formulated to maintain clean performance of fuel injectors and carburetors by helping to prevent the accumulation of deposits. It’s made with jet fuel, a high-quality carrier of active ingredients. Cap-less compatible.

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3 reviews for STP Fuel Injector & Carb 12ct 5.25oz

  1. Lawrence N.

    My car became super smooth after using this.
    Good Quality and affordable.

  2. Jim

    An awesome product. Works well at the recommended dilution levels. Try 2 to 3 bottles and a couple of tankful to really appreciate the difference.

  3. Monique K.

    Maintains smooth fuel injection in old cylinder/engine.

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