The Prothane front sway bar bushings for 1984–1989 Nissan 300ZX are listed as 24mm black sway bar bushings intended for the front sway bar on those model years. The product description specifies both the vehicle fitment and the bushing diameter, helping shoppers confirm the correct front bushing size and application for maintenance or replacement on an 84–89 300ZX.
Prothane 84-89 Nissan 300ZX Front Sway Bar Bushings - 24mm - Black