A dirty fuel system causes poor fuel economy, poor performance and increased maintenance costs. SWEPCO 503 Premium Gasoline Improver eliminates these problems by keeping fuel injectors, pumps and other close tolerance components clean. Special chemistry dissolves and removes harmful gum, varnish & carbon deposits in fuel systems and upper cylinder areas. It also protects expensive fuel injectors, pumps and o-rings from wear and deterioration caused by today’s low-sulfur diesel fuel. Regular use keeps fuel systems in perfect operating condition. Especially recommended for all types of automobile & light truck fleets. FEATURES Keeps fuel injectors and fuel delivery system clean Eliminates carbon deposits on intake and exhaust valves Only 60% burns and 40% remains to lubricate Reduces wear Eliminates sticky valves, improves compression Dissolves harmful gums Description & Purpose SWEPCO 503 Gas & Diesel Fuel Improver is a unique blend of specialized high-temperature-resistant solvents and highly effective rust and corrosion inhibitors. The carefully balanced solvent portion of the formulation is extremely effective for removal of all forms of harmful engine deposits as well as for prevention of their formation. SWEPCO 503 is highly effective for removal of gum and other residues which tend to form in fuel injectors, fuel tanks, fuel filters and fuel lines, inhibiting proper fuel delivery and robbing power. Keep your Hard Working Engine running for a long time. One 12 oz bottle treats 31 gallons of gas.
- 12 oz bottle; Keeps fuel injectors and fuel delivery system clean
- Eliminates carbon deposits on intake and exhaust valves
- Only 60% burns and 40% remains to lubricate
- Eliminates sticky valves, improves compression
- Reduces wear and Dissolves harmful gums