ST Turbo Fin Kit Version 1 converts standard length fins to turbo length
Hobie Miragedrive ST Turbo Fin Kit Version 1
The ST (Square Top) Turbo Fins are longer and stiffer than the standard MirageDrive fins and will deliver a speed boost as well as more torque.
Part# 72065
This kit is for Version 1 Miragedrives only (pre 2009 models) and will not fit any other version. If you have a V2 or original GT MirageDrive, you would require ST Turbo Fin Kit V2