Red Line SI-1 Complete Fuel System Cleaner (Set of 12 x 15 Oz. Bottle) 60103

Red Line SI-1 Complete Fuel System Cleaner is a concentrated fuel system treatment designed to clean injectors, intake valves, and combustion chambers. It utilizes a blend of high-temperature detergents to remove deposits from injectors, potentially restoring efficiency up to near 100% with a single application. This can improve fuel economy by up to 12%, depending on the severity of injector fouling. SI-1 also includes detergents and a synthetic lubricant to clean intake valves, pollution control valves, and combustion chamber deposits in vehicles with carburetors.