FCS Tab Infill Kit

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The FCS Tab Infill Kit allows you to use original FCS I fins in FCS II fin boxes — a simple, inexpensive solution for surfers who have a collection of FCS I fins and boards fitted with the newer FCS II system. The high-quality silicone rubber infills fill the gap between the front tab of the original dual-tab FCS fin and the FCS II front plug slot, giving you a secure, rattle-free fit without damaging the plugs or fins. Function: Allows FCS I (dual-tab) fins to fit securely in FCS II fin boxes Material: High-quality silicone rubber — flexible, durable, resistant to extreme temperatures and salt water corrosion Kit Includes: 1x centre compatibility infill, 4x side compatibility infills, 10x grub screws, 1x FCS key, reusable zip-lock bag Compatibility: Works with all FCS I dual-tab fins and boards with FCS II plug systems No damage to fins or plugs: Soft silicone construction protects both the fin base and the plug housing Sizing Note: One kit covers one complete thruster or twin fin setup (centre + sides). Order additional kits if you need infills for multiple boards. Grub screws and FCS key are included so you have everything required to install the fins without additional tools. Care: Rinse the infills with fresh water after sessions. Store in the included zip-lock bag to keep the small components together. Replace grub screws if they show signs of corrosion from salt water exposure. Show more