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FCS II Fin Plug

Regular price $39.99 incl. GST
Regular price Sale price $39.99
Sale Sold out
  • Thruster Set: 1 x 9° SIDE PAIR (L+R) and 1 x 0° CENTRE
  • Quad Set: 1 x 9° SIDE PAIR (L+R) (Front) and 1 x 3° or 5° SIDE PAIR (L+R) (Trailer)
  • 5 Fin Set Up: 1 x 9° SIDE PAIR (L+R) (Front) and 1 x 3° or 5° SIDE PAIR (L+R) (Trailer) and 1 x 0° CENTRE

CENTRE 0° Indicated by No Colour Marking
SIDE 3° Indicated by YELLOW Colour Marking
SIDE 5° Indicated by GREY Colour Marking
SIDE 9° Indicated by ORANGE Colour Marking

*FCS Screws are not required by this system, but can be used in this system as an insurance from accidental knockouts. Screws are not included.


Efficient keyless system for quick fin installation and release. The FCS II system requires no grub screws or keys to secure the fins to the board. Fins can be easily inserted and removed in seconds, allowing you to adapt your equipment to the conditions, on land and/or in the water.

Flush Leading Edge

Recessed leading edge with flush base connection improves water flow. These features not only create a sturdy anchorage to the board, but minimise water disruption through a more flush and seamless transition between the fin and board surface.

Backward Compatible

The FCS II System is backwards compatible with all your favourite FCS dual tab Fins. The FCS II Compatibility Kit contains specially designed silicone infills to eliminate the gap created by the dual tab fins in the new system. The Compatibility Kits are available to purchase separately (Fin Plug FCS II Adapter Kit).

The Mechanism

Constructed using a corrosion resistant titanium tension rod, and a rotating, wear-resistant polymer barrel. When the fin is inserted into the plug the barrel interacts with a groove detail in the fin to lock it into place using a combination of downward and lateral force. The FCS II Fin System has been tested to over 4,000 cycles (installing & then removing the fin). Under normal conditions, the FCS II system will outlast the life of the board.

Honeycomb Construction

Lightweight Composite Frame encapsulated by high density foam reduces weight and maintains flex.

Customer Reviews

Based on 5 reviews
Valentin RENARD
Great stuff

A bit annoying that they only come in pairs but great stuff, and resincraft is always quick to send your order

Daryl Stroebel

Great product

Mark Mikloska
great service and product quality

i've bought a bunch of items from ResinCraft and they have always delivered quality product in a prompt manner. Thanks team!


really good

Paul Roach

Easy to fit is what I like they don’t seem to fail either, they are little difficult to make look good with more organic lams like flax and basalt I think plain white works well here