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.
Torque Arm Insulator: 84-2002 Firebird TA & Camaro
A Disc Kit: 74-78 Mustang II Stock Height High Perf Kit
99-04 Mustang V8 Gearbox & Engine Mount Kit
95-98 Nissan Subframe Mount Bushing Kit 240SX S14
90-95 4 Runner rear Control Arm Set
Extreme Duty Product link
86-88 4 Runner Front Control Arm Bushes (upper)
Rear Leaf Bushing Kit - Mono
Engine Mount Inserts:
Engine Mount: CHEV V8 - Short & Wide