This Carb cleaner penetrates and dissolves dirt,gun carbon and varnish deposit that can impede moving parts.

 This Carb  cleaner removes dirt, gum and varnish deposits on moving and sealing surfaces of engine carburetors, heat valves and automatic chokes.

Can be used on running engines. Contains no lead, phosphorous, silicone or alcohol.

Will not harm oxygen sensors, catalytic converters or fuel injection systems.

3N Carb Cleaner