Yamaha Outboard Ring Free Plus Fuel Additive Quart 32 ounce ACC-RNGFR-PL-32

We took Ring Free, the proven engine deposit package, and made it even better. Our exclusive, synthetic PLUS formula provides superior deposit control, cleaning fuel injectors, carburetors, intake valves, intake ports, and combustion chambers. Featuring metal filmers, it also protects silver solder, copper, aluminum, and steel in a fuel system from the corrosive effects of ethanol sulfate salt.