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The Prothane rear upper coil spring isolator is a black replacement for 1991–1996 GM rear applications. It fits the upper spring mounting location and is intended to replace worn or missing factory isolators. This isolator restores the upper spring interface and provides a direct replacement to help maintain correct spring seating for the listed GM rear setups.
Prothane 91-96 GM Rear Upper Coil Spring Isolator - Black
