The 2025 SpringFin has been re-molded for maximum performance. Purchase the fin solo if you are not in need of a new spring or spacer for your stompbox kit.

If your StompBox has slowed down, then check out our 2025 StompBox Booster Kit to ensure your fin will respond to impacts and rebound faster than ever!

If you want to speed up your original StompBox without a SpringFin, please ensure you have added a Spacer to your system. These ensure your spring doesn't get hung up.