WildCard Fin Adapter

Wasabi Surf

Make your FCS-type fins compatible with your Futures-type Fin System.


Fabricated with true carbon fiber composite construction for extreme strength and durability with minimal weight.   

Provided stainless steel set screws secure the adapter to your FCS type (twin-tab) fins and the unique adapter geometry fits snugly into your Futures type (single-tab) fin boxes (FCS Fins to Futures Fin System compatibility*).


  • Right, Left and Center fin specific adapter
  • Stainless-steel set screws.
  • Left and Right adapters have approximately 4-5 degrees of cant angle.
  • Left and Right adapters are approximately .75 inches in height.
  • Center/Rear adapter is approximately .5 inches in height.

Looking for a Quad or 5 Fin set?

Then be sure to select "Quad" or "5 Fins" in the product dropdown menu before adding your fin adapters to the cart.

Quad set includes: (1) Left, (1) Right, and (2) Center/Rear adapters

5 Fin set includes: (1) Left, (1) Right, and (3) Center/Rear adapters

FREE Shipping anywhere in the continental United States.
Usually ships in 1-2 days.

International Shipping Available

Designed and tested in Carlsbad, CA, USA

FAQs available here. 

* The WildCard Fin Adapter is engineered with extreme precision to fit FCS brand twin-tab fins. Twin-tab fins from other brands may require light sanding to the fin tabs for optimal fit due to the variance of fin tab dimensions.  Special 100 grit sanding strip included. 

Detailed installation instructions available here.

$ 79.99