





The 4.5" StompFin is compatible with both StompBox 1 (2015-2020 river boards) and StompBox 2 (2021 river boards and newer). The rest of the kit components are sized for the StompBox 1.
Kit includes:
- 4.5" StompFin
- StompBox Insert
- Spring
- Spring Plug
- Fastening Screws
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