HKB Sports is the original manufacturer of the JDM steering wheel boss kit adapter. Since the early 1990s, HKB Sports has been in business, and since that time, they have been producing high-quality steering wheel hubs for all JDM vehicle applications. Their steering wheel hubs, which are commonly referred to as "boss kits" in Japan, have a dual bolt pattern that allows them to be used with MOMO/Sparco/OMP steering wheels as well as Nardi/Personal steering wheels.
OR-18 is for years 89-97. Miata's NON-airbag (can be modified to fit airbag models)
Directly compatible with your automobile.
- Superior in both quality and power
- Boss Kit for the Mazda MX-5 NA, manufactured in Japan by HKB, does not include an airbag.
- HKB reference: OR-18
- For a 15-millimeter column with a 36-spline