Red Line SI-1 Fuel System Cleaner 15oz

Concentrated full-synthetic fuel system cleaner formulated with a powerful blend of high- and low-temperature detergents. It cleans all forms of fuel injectors (including GDI), carburetors, valves, and combustion chambers to nearly 100% efficiency in a single treatment. It enhances fuel stability, reduces gum and varnish formation, lowers the engine's octane requirement by up to two points, and contains a synthetic upper cylinder lubricant.