Your boat's marine gasoline engine is forced to operate at higher RPMs and loads than your car or truck engine and can consume up to 10 times more fuel per hour of operation. It is also more susceptible to phase separation, corrosion and fuel stability problems caused by ethanol blended gasoline.
ValvTect Marine Gasoline is "specially formulated" for marine engines and is designed to prevent the problems of ethanol gasoline, such as phase separation, moisture, poor stability and the formation of power-robbing carbon deposits.
*Top Tier is a performance standard for gasoline, backed by major engine makers. ... To be considered Top Tier, the gasoline must have a higher concentration of detergent added to it.