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The Energy Suspension heavy duty GM shackle set in black includes spring and shackle bushings plus hardware made from performance polyurethane. It reduces wheel hop during acceleration, prevents shudder under braking and improves handling for vehicles with higher tire grip or increased horsepower. Suited to multi‑leaf spring setups, the kit helps maintain control and predictability under load.
Energy Suspension GM Heavy Duty Shackle Set - Black
