Quicksilver propellers can improve the performance of any boat through the use of Flo Torq hub systems. Flo Torq hub systems are durable, provide lower unit protection and are also field serviceable. For use with Mercury/Mariner 40-60hp Command Thrust, 70-250hp, Force 90-120, and Verado 150-300hp (6-cylinder with 1" shaft only). This product does not work for Verado V8 engines with 1.25" prop shafts.Product Details Manufacturer part number: 835257Q1 Flo-Torq II is the world's first modular hub system for outboard and sterndrive engines Field serviceable: No need to miss time on the water waiting for rubber hub replacement work Flo-Torq hub systems cushion and protect the drivetrain from most impacts For use with MerCruiser Alpha, Alpha One & Bravo One (under 400hp) Replaces Mercury 835257K1, 827703A1 Flo-Torq II Hub Kit used with Merc 135-275 HP, Mercruiser 120-375 HP, Alpha/Bravo I, and Prop Series B. They're a direct replacement for the Michigan XHS hub kits.
