Sponson Fins - Set of 4
* In 2026 only, all LR models will come with the same ESC and motor as XP models *
- Free Shipping in Continental USA
This is a complete set of 4 sponson fins (2 port and 2 starboard) for Thrasher Jet Boats. If you are adding sponson fins to a Thrasher that does not already have a sponson fin kit installed, you will need to purchase a sponson fin kit, which includes these fins as well as mounting hardware.
