Jansen Motorsports Center Caps utilize a patent pending retaining ring to keep the cap centered and securely fastened to the rim.
Patent Pending | Made in Canada
PDF | Billet Aluminum Bolt-On Center Caps Instructions
Warning: This product may expose you to chemicals including Nickel, which are known to the State of California to cause cancer, birth defects or other reproductive harm. www.P65Warnings.ca.gov