Mazda Rx7 320mm Racing Style Steering Wheel with Hub adapter and Horn Button THIS ITEM IS FOR Mazda Miata 90-97 / RX7 86-98 / Hyundai Genesis 09-11 / Accent 95-11 Steering Hub Adapter Dimension For This Steering Wheel is 320mm. Use With Any 6 Bolt Hub Adapter 100% BRAND NEW IN BOX. Made Of High Quality Aluminum. Improves Grip, Handling and Control. THIS LISTING IS INCLUDED steering wheel, HUB adapter PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED. NO INSTALLATION GUIDE IS AVAILABLE.