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Prothane rear spring and shackle bushing kit for 1967–1987 GM trucks, supplied in red and configured for 1.5-inch bushings. These polyurethane replacements restore spring alignment and reduce shackle deflection compared with aged rubber components. Sold as a matched kit for GM rear springs with 1.5-inch bushings, they provide durable, OEM-form substitution for classic truck suspensions.
Prothane 67-87 GM Rear Spring & Shackle Bushings (w/ 1.5in Bushings) - Red
