The Energy Suspension heavy duty GM shackle set in red includes shackle bushings and hardware made from performance polyurethane to reduce wheel hop and prevent shudder under braking. It delivers greater handling control for vehicles fitted with high‑performance tires or horsepower upgrades and is suitable for multi‑leaf spring configurations, helping the suspension remain stable during acceleration and cornering.
Energy Suspension GM Heavy Duty Shackle Set - Red