The Prothane rear subframe bushing kit for 1984–1989 Nissan 300ZX with IRS supplies black replacement rear subframe inserts. Intended as a direct-fit service kit, it replaces worn subframe bushings to help restore correct subframe seating and alignment on the independent rear suspension, providing a straightforward option when servicing or rebuilding the rear chassis mounts.
Prothane 84-89 Nissan 300ZX IRS Rear Subframe Bushing Kit - Black