Description AMSOIL DOMINATOR® OCTANE BOOST For off-road and racing use only. Increases octane up to four numbers. Helps reduce engine knock for maximum power, responsiveness and performance. See the product data sheet for full details. INCREASES OCTANE UP TO 4 NUMBERS Significantly increases engine response and power in two- and four-stroke gasoline-fueled engines. Just one treatment reduces engine knock, improves ignition and helps fuel burn cleaner. Most users find one 12-ounce (354 mL) bottle for 15 gallons (57 litres) of gasoline provides the ideal performance increase. EXCELLENT LEAD SUBSTITUTE Excellent as a lead substitute in collector automobiles, older off-road equipment and pleasure vehicles. See the product data sheet for full details. Increases octane up to 4 numbers for improved performance Maximizes power Reduces engine knock Improves ignition responsiveness Helps fuel burn more cleanly AMSOIL DOMINATOR® OCTANE BOOST Data Bulletin  Data Bulletins Warranty  WARRANTY SDS  SDS