MOMO/Sparco steering wheel boss kit for the Lotus Elise/Exige S1/S2 and 340R (without airbag) . 78mm l ong allowing you can use a Snap-Off Boss adapter if required. Designed & drilled to fit the old Lotus casting with internal shaft spline removed from your old Lotus steering wheel so it s the correct diameter for the plastic cowling surround. Lightweight at 490g.