Mercury - Quicksilver 835277Q1 Flo-Torq II Prop Hub Kit Honda 75-90HP Outboards (1998 & Older) 835277Q1. Overview. If you're running an older Honda outboard but want the smooth performance of a Quicksilver prop, the 835277Q1 Flo-Torq II Hub Kit makes it possible. Designed for Honda 75-90HP outboards (1998 and older), this hub lets you fit Mercury or Quicksilver propellers while adding drivetrain protection and reducing vibration.. The Flo-Torq II system acts like a shock absorber between your pr