QPKING Automotive Engine Intake Pipe Valve Clean Machine Valvetronic System Walnut Powder Sand Carbon Deposits Cleaner Automotive Cleaning Tools AUTO Engine System Cleaners
【Deep removal of carbon deposits】Deeply remove the highly sticky carbon deposits on the intake manifold, intake & exhaust valves.（Solve the problems of unstable idling, insufficient fuel combustion, and reduced air-fuel ratio.)
【External air source】This enables the walnut sand grit to strike the carbon deposits more powerfully and efficiently.
【Built-in dust filter】It can separate the recovered walnut sand grit from carbon deposits for recycling.