information:brakes

Stock Z31 Brake Information

SF models are all NAs and all of Canadian origin.
1984 and 1985 NAs and 1986 SF models are 4 lug. All other models/years are 5 lug.
All year Z31 front brakes are vented.
1984-1986 rear brakes are solid. All others are vented.
1987-1989 front turbo brakes are dual piston style. All others are single piston.

		# of	Brake Type		Rotor Diameter		Minimum Thickness
		Lugs	front	rear	front	rear	front	rear
1984-1986	SF (NA)	4	CL28VA	CL14H	250 mm	258 mm	20 mm	9 mm
1984-1985	GL/GLL (NA)	4	CL28VB	CL14HB	274 mm	290 mm	20 mm	9 mm
1986	GL/GLL (NA)	5	CL28VB	CL14HB	274 mm	290 mm	20 mm	9 mm
1984-1986	GL/GLL (T)	5	CL28VB	CL14HB	274 mm	290 mm	20 mm	9 mm
1987-1989	SF/GL/GLL (NA)	5	CL28VB	CL14HVB	274 mm	282 mm	20 mm	18 mm
1987-1989	GL/GLL (T)	5	CL28VE	CL14HVB	280 mm	282 mm	24 mm	18 mm