Quicksilver Flo-Troq II Propeller Hub Kit. Helps cushion and protect the drivetrain from most impacts. For Yamaha 115, 130 & 150-250 HP 1984 & newer outboards, 300 HPDI outboards and 130-300 HP Stern drives. Hub must be ordered separately. Includes all parts needed to use a Flo-Torq propeller with your engine.