New Rislone High-Performance Injector Cleaner with Fuel Conditioner & Treatment helps fleets combat high fuel costs. Rislone Injector Cleaner saves fuel by cleaning and lubricating fuel injectors. At the same time, it increases vehicle power, performance and mileage. The product also provides an overall cleaner and quieter ride by helping to eliminate noisy injectors and fuel pumps, rough idle, hard-starting and hesitation. One of the key ingredients in Rislone Injector Cleaner is Upper Cylinder Lubricant (UCL). UCL helps prevent wear to cylinders, rings and pistons, while lubricating valves and guides for longer engine life. Regular, year-round use maintains engine efficiency and power.