SuperPro RC0089RZ-16 16mm 3-Position Adjustable Rear Sway Bar Kit Mazda Miata MX-5 (ND)SuperPro RC0089RZ 16 16mm 3 Position Adjustable Rear Sway Bar Kit Mazda Miata MX 5 (ND) If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! Adjustable sway bar rates can be increased between 30 50% over OE sway bars by simply changing the end link position on the sway bar. In addition to the fundamental body control and roll reduction adjustable bars allow owners to quickly and