Free shipping on orders over $200!
The FCS II Tab Infill Kit. FCS II Compatibility Infills are designed to plug the gap between the front tab of the original (twin tab) FCS fin and the front of the new FCS II plug front slot. These infills are made from high quality silicone rubber which will not damage the plugs or fins (they are also extremely durable, lightweight and built to withstand high temperatures and corrosive sandy and salty conditions).