AMSOIL Power Foam® (APF) improves engine performance by removing gum, varnish and carbon deposits that affect power, operation, idle and fuel economy. Power Foam cleans intake valves, intake manifolds and throttle plates to keep the combustion intake system running at peak efficienc. Effective in both two- and four-stroke gasoline engines.

Power Foam helps reduce engine ping and keeps carburetors and injector systems  operating like new. Power Foam is safe for fuel injectors,atalytic converters and emissions-control devices. It will not damage seals, gaskets, rubber or plastic materials commonly used in gasoline engines.