2 Pack of STP Fuel Injector & Carburetor Treatment + Upper Cylinder Lubricant Only $3.18

Amazon has the STP Fuel Injector & Carburetor Treatment + Upper Cylinder Lubricant (5.25 fl. oz.) (pack of 2) marked down from $10.97 to $3.18 and it ships for FREE with your Prime Membership AND any $25 purchase!

  • 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

Amazon pricing changes frequently, so this deal may expire at any time.

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