You’ll also gain extra space around the gearbox bellhousing, as the base of the mount now sits further inboard. Universal Billet Aluminium One-Piece K-Swap Gearbox Mount (EP3/DC5/FN2/RSX Gearboxes). This universal billet aluminium one-piece gearbox mount is designed for K-swap conversions using EP3/DC5/FN2/RSX gearboxes.