Check the listing for details. Desl-Shok Diesel Fuel Additive 32 oz.. Condition: New. Listed at 69.99 USD. ?DESL-SHOK? is a premium grade multi-function fuel additive for use in 2 & 4 stroke diesel engines using diesel fuel including REGULAR, LOW-SULFUR and ULTRA-LOW-SULFUR DIESEL It provides the highest level of protection to eliminate condensation build-up in fuel tanks which is reported to be the root cause of over 70% of engine failures. It keeps injectors, carbs and fuel lines clean and promotes a cleaner burning fuel which reduces carbon build-up in engines and exhaust systems. DESL-SHOK is a broad spectrum formula that delivers the full range of protection you need including a water-dispersant, stabilizer, lubricant, cleaner and combustion enhancer. It provides everything needed to keep your boat, auto, truck, RV, and generator starting easily and running smoothly. FEATURE AND BENEFITS; Controls and disperses water in fuel tanks/systemsReduces smoke and engine noise.Restores lost fuel economy due to carbon fouled rings, valves and injectors.Stabilizes all diesel fuels including regular, Low-Sulfur & Ultra-Low-Sulfur diesels.Adds lubrication to extend fuel pump and injector life.