AMSOIL’s new octane booster is designed for motorcycles, and the company says the product can increase the octane of gasoline by three points when mixed at a ratio of 1.3 ounces per gallon of fuel. The company says it cleans combustion chambers, is street-legal, meets all federal regulations for street use and works best with lower-octane fuels and fuel containing ethanol. Suggested retail is $4.85 for a four-ounce bottle. For more information, contact AMSOIL Inc., Dept RW, 925 Tower Ave., Superior, WI 54880, (715) 392-7101, www.amsoil.com.