Mercury Flo-Torq SSR HD Propeller Hub Kit For 200-400 HP Four-Stroke Outboards With 1.25 Inch Prop Shaft, Reduces Shift Noise And Prop Rattle, Smoother Power Delivery And Quieter Operation
✔️ Reduces shift noise and propeller rattle for smoother, quieter power
The Flo-Torq SSR HD hub is a solid propeller hub kit designed for Mercury FourStroke outboards with 1.25 in prop shafts. It helps limit shifting noise and propeller rattle, delivering smoother and quieter power transfer.
✅ SSR drive sleeve, three-washer set (washer, thick washer and cupped Belleville washer), tabbed lock washer and locking prop nut
✅ Fits select 200-400 hp Mercury FourStroke outboards with 1.25 in (31.75 mm) propeller shafts
✅ SSR hub uses Soft-Shift rubber technology to dampen noise, vibration and harshness
✅ Delivers 22-23% reduction in shift event noise, virtually eliminating shift clunk
✅ Quick-install with floating prop wrench and prop block or common shop tools
✅ Serial No. lower than 2B244273 requires dealer calibration before use
💡 What is a propeller hub kit used for and when should you consider the SSR HD version?
- Handy for quieting shifts and protecting prop shafts - Useful with Mercury FourStroke engines using 1.25 in shafts - Includes SSR drive sleeve and hardware, install with common tools - Ensure engine calibration if required by serial number