SoyUltra is a concentrated, multi-functional, ashless gasoline additive specially formulated for use in all types of gasoline and ethanol blends used in new and old two-stroke and four-stroke gasoline powered vehicles. Made from soybean oil, SoyUltra contains an additive package with friction modifying and detergency properties. This unique blend provides excellent wear protection for fuel injectors and fuel pumps—especially engines burning gasoline that’s low sulfur, reformulated, oxygenated or ethanol blend.