ACES IV Gasoline Formula is designed for all regular street engines old or new where higher octane fuel power, fuel system cleaning and maintenance, and a plentiful upper cylinder lubricant are desired. ACES IV Gasoline Formula chemically changes 87 octane fuel up to a 96 octane effect, 89 to up to 98 and 93 is improved up to a 102 Motor (112 Research) octane effect. It contains a high quality fuel injector/carburetor cleaner for proper spray patterns.