STA-BIL Carb & Choke Cleaner (12oz) STA-BIL Carb & Choke Cleaner is designed to dissolve tough build-up in carburetted engines, helping to restore power, improve mileage, and ensure smooth performance. Its precision spray nozzle and included directional tube allow for easy application, even in tight spaces. Ideal for routine maintenance and quick fixes, this cleaner leaves no oily residue and is safe for catalytic converters and oxygen sensors. Quickly dissolves gum, varnish, dirt, lead, and carbon build-up Improves starting and eliminates rough idle and stalling Restores lost power and fuel economy Safe for use with catalytic converters and oxygen sensors Ideal for all carburetted internal combustion engines Includes directional straw for precise application in hard-to-reach areas Whether you're addressing engine hesitation or prepping for seasonal storage, STA-BIL Carb & Choke Cleaner is a fast, effective solution for keeping your engine running at its best.