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The Prothane rear frame shackle bushings with 1.5-inch outer diameter for GM 2WD and 4WD rear applications are direct replacement components intended to support spring positioning and preserve rear suspension geometry. Supplied in red for quick identification, they act as straightforward service parts for owners working on GM rear shackle mounts across driveline types. These bushings are sized for 1.5-inch OD rear shackles on GM 2WD and 4WD vehicles.
Prothane GM 2/4wd Rear 1.5in OD Frame Shackle Bushings - Red
