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The Energy Suspension heavy duty GM shackle set in black includes shackle bushings and hardware made from performance polyurethane to reduce wheel hop and shudder. It improves handling control under acceleration and braking and is well suited for vehicles with high‑performance tires or horsepower upgrades. The heavy duty design helps keep multi‑leaf spring setups behaving predictably under load.
Energy Suspension GM Heavy Duty Shackle Set - Black
