Wishlist FCS FCSII H4 Fins | Quad Rear 2 Fin Set | Accelerator Range | Carbon Fibre | FCS 2 | Top of The Range Surfboard Fins | Ultimate Speed and Drive $154.95 FCSII H4 Fins | Accelerator Range | Thruster Fin Set | Carbon Fibre | FCS 2 | Top of The Range Surfboard Fins | Ultimate Speed and Drive This set comes equipped with 2 x Quad Rear Fins, designed to work best with both medium & large H4 sets. (using... Add to Cart Compare