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The Prothane rear spring and shackle bushing set is specified for 1981–1987 GM rear springs and includes 1 3/8‑inch bushings in red. This kit replaces the listed rear spring and shackle bushings for the stated GM years; confirm bushing diameter and vehicle application before ordering to ensure compatibility with your chassis and suspension hardware.
Prothane 81-87 GM Rear Spring & Shackle Bushings (w/ 1 3/8in Bushings) - Red
