MOMO/Sparco steering wheel boss kit, without Snap-Off base, f or the Lotus Elise/Exige S1/S2 and 340R. A complete replacement boss with new base casting incorporating spline. Outer diameter of base is 86mm (may leave a gap to standard Lotus column surround). Recommended for use without Snap-Off Boss adapter as 95mm long. Lightweight at only 950g.