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.
Master Kit: #126 - '92-99 Various
Rear Leaf Bushing Kit Without Front Bushes
Strut Rod Bushing set: 63-74 Corvette
Rear End Control Arm Bushing Set 89-95 Crx /Civic
Nissan 300ZX & Silvia Rack & Pinion Mount kit
Mitsubishi Lancer EVO (03-05) Master Kit
Scout II 72-81 Leaf Bushing kit
Body Mount Kit: 55-57 Chev Convertible
Honda Civic & CRX Master Kit: 88-91
Control Arm Bushing Set: 67-69F Set (8) - Front End