Mercury – Quicksilver 835257Q12 Reflex Hub Kit | 40–60HP Outboards | 835257Q12Mercury Quicksilver 835257Q12 Reflex Hub Kit 4060HP Outboards 835257Q12 Overview When you run in shallow water or around debris, the Quicksilver 835257Q12 Reflex Hub Kit helps protect your outboard from those unexpected knocks. Designed for 4060HP outboards, this hub cushions the drivetrain, reduces vibration, and keeps your prop spinning smooth even after a minor hit. The Reflex system acts like a buffer between your propeller and lower unit,