Z31 Anti-Sway Bar Differences

There are two different styles of front anti-sway bars used on USDM Z31. From 1984-1986 Nissan used a horizontal 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 24mm 01/1988+ Turbo.SS.M/T Shiro


You can also get the NISMO front anti-sway bar that is 26mm in size, 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 26mm 01/1988+ Turbo.SS.M/T