Rislone 4701 Hy-per Fuel Fuel Injector Cleaner Concentrate – 6 oz.

Rislone 4701 Hy-per Fuel Fuel Injector Cleaner Concentrate – 6 oz. Rislone 4701 Hy-per Fuel Fuel Injector Cleaner Concentratemaintains optimum efficiency and power with regular use. It smoothes rough idle and eliminates hard starts giving cleaner, quieter operation. Upper cylinder lubricant helps prevent cylinder, ring and piston wear. Saves on gas. Cleans fuel injectors and high fuel costs. Maintains optimum efficiency and power with regular use Smoothes rough idle and eliminates hard starts giving cleaner, quieter operation Upper cylinder lubricant helps prevent cylinder, ring and piston wear