STP Fuel Injector & Carburetor Treatment + Upper Cylinder Lubricant (5.25 fl. oz.) (Case of 12)

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.

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.

Product Features

  • 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