New aftermarket H&R 18mm rear sway bar for Early NA Mazda Miata. The H&R sway bar increases roll stiffness resulting in reduced body roll. The sway bar features 3 adjustable settings and includes poly/teflon bushings. The sway bar is also designed to increase cornering performance, lateral grip, and stability. Also known as the anti roll bar. Part number 71839. Fits 1990-1993. California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov Photographs are stock photos only and the purchased product may vary. Photographs of the purchased product can be emailed upon request.