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Z31 Anti-Sway Bar Differences
There are two different styles of front anti-sway bars used on USDM Z31. From 1984-1986 Nissan used ahorizontal mount front anti-sway bar where the end link is a long bolt with spacers. In 1987, Nissan changed to a vertical mount swaybar. There was three front Anti-Sway Bar sizes available on the 1984 to 1989 USDM 300zx. The following chart will provide the models and size of the sway bar front and rear.
Front Anti-Sway Bar Information
The following chart will display each part number for the various front anti-sway bars.
| Part Number | Size | Year |
| 54611-Z31001 | 22mm | 12/1983 - 03/1984 *(FED.2S+CAL.2S).T/R.VG30T.GLL 09/1985 - 09/1986 VG30T 50TH |
| 54611-Z31002 | 22mm | 1986 Non-Turbo 1984-09/1985 All |
| 54611-Z31003 | 22mm | 1987-1989 Non-Turbo |
| 54611-Z31004 | 24mm | 09/1986-01/1988 Turbo 01/1988+ Turbo.(GL+GLL) |
| 54611-Z31005 | 26mm | 01/1988+ Turbo.SS.M/T Shiro |
You can also get the NISMO front anti-sway bar part number 54611-23P01. This is the same sway bar that is found on the German Z31s of the same time era.
Rear Anti-Sway Bar Information
The following chart will display each part number for the various rear anti-sway bars.
| Part Number | Size | Year |
| 56230-Z31001 | 22mm | 1984-04/1987 All 04/1987+ Non-Turbo |
| 56230-Z31002 | 24mm | 04/1987-01/1988 Turbo |
| 56230-Z31003 | 25mm | 01/1988+ Turbo.SS.M/T |
Sources Used on This Page: 1984-1988 Nissan 300ZX Factory Service Manual, AZ-Zbum and the Z31.com WIKI, Courtesy Nissan