FCS II Split Keel Fins
Top Pick
FCS

FCS II Split Keel Fins

4.6

Best high performance upgrade for intermediate to advanced fish surfboard enthusiasts.

These replacement fins provide essential drive and hold for quad setups, specifically engineered for wide-tail boards. They offer a reliable, high-performance feel that prevents spin-outs on steeper take-offs while maintaining speed and pivot.

$75.00

In stock

at

Surffcs

Who it's for

  • Fish surfboard riders seeking more agility than traditional keels offer
  • Surfers who frequently swap setups or travel between different breaks
  • Experienced surfers wanting a responsive feel in powerful wave conditions

Who should skip it

  • Owners of surfboards equipped with original FCS or Futures boxes
  • Budget-conscious surfers looking for a more affordable replacement option
  • Performance shortboarders needing a more traditional thruster or quad feel

Performance breakdown

Drive and Hold

Split keel design locks in tight on wide-tail board turns.

Excellent

Installation Speed

Tool-less system makes swapping fins mid-session incredibly fast and simple.

Excellent

Spin-out Prevention

Provides reliable stability during steep, aggressive take-offs.

Excellent

Material Durability

Performance Glass construction offers a stiff, responsive flex pattern.

Excellent

Pivot Capability

Maintains necessary speed while allowing for quick, sharp directional changes.

Excellent

System Compatibility

Seamlessly integrates with existing FCS II quad setups without modification.

Excellent

Key Specs

Material

Performance Glass

Fin System

FCS II

Fin Type

Quad

Side Fin Base

5.41 inches

Side Fin Depth

4.79 inches

Side Fin Area

19.27 square inches

Side Fin Sweep

42.5 degrees

Side Fin Foil

Flat

Rear Fin Base

4.03 inches

Rear Fin Depth

4.40 inches

Know before you buy

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Ask Metto anything about the FCS II Split Keel Fins before you decide.

FCS II Split Keel Fins

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Surffcs
Surffcs
In stock
$75.00
Buy
Hawaiian South Shore
Hawaiian South Shore
Out of stock
$190.00
Buy