Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. STPFuel Injector & Carburetor Treatmentis specially formulated to maintain clean performance of fuel injectors and carburetors by helping to prevent the accumulation of deposits. Its made with jet fuel, a high-quality carrier of active ingredients. Size: 5-1/4 Oz. \nContainer Type: Liquid \nTreats: 20 Gal. \n 0 -