This is a welcome new part for the 3rd & 4th series Firebird & Camaro owners/ repairers.
On the outer frame as shown below lives the diff bump stops.. This will replace both for the price of less then one GM unit.
Bump Stop: Pull thru Upper various (pr)
Performance Engine Mounts: 93-97 V8 (each)
84-96 4 Runner Front Sway Bar Bushing Set
Sway Bar Rear Bush kit (8) various Jap 88-92
Coil Spring Insulator: # 6108 (pr)
Rear Leaf Bushing Kit - Multileaf
Rear Sway Bar Bushing Set 1984-96: 19 mm
Front End Links: 88-95 Corvette
67-73 Front Control Arm Bushing Set
86-2000 Hilux Cab Chassis Mount Kit 4x4 & 2wd