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The Prothane rear spring and shackle bushing kit provides replacement bushings for GM rear springs and shackles, supplied in black. This kit fits 1981–1987 GM applications and uses 1 3/8 in bushings as noted. The overview calls out the model years, vehicle application, bushing diameter, and color so you can verify compatibility before ordering.
Prothane 81-87 GM Rear Spring & Shackle Bushings (w/ 1 3/8in Bushings) - Black
