Whiteline 89-98 Miata NA / 98-04 NB Rear 16mm Swaybar Heavy duty Blade adjustableEngineered to 'Activate More Grip', sway bars are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are spread more evenly across the tires thereby increasing cornering grip and improving outright performance. This Whiteline 16mm 3 point adjustable sway bar = more grip = better handling = outright performance it's the best dollar for dollar handling improvement you can make to your vehicle. In fact, benefits extend