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The Energy Suspension heavy duty GM shackle set in red includes spring and shackle bushings plus hardware in performance polyurethane. It helps reduce wheel hop during launches, prevents shudder under braking and improves handling control for vehicles with high‑performance tires or horsepower upgrades. The kit is aimed at multi‑leaf spring configurations needing more durable, predictable suspension behavior.
Energy Suspension GM Heavy Duty Shackle Set - Red
