Energy Suspension rear spring and shackle set in black fits a 1 3/8 in. OD frame shackle with a 1.75 in. main eye and is rated for a 3950 lb axle. Constructed from Hyper-Flex polyurethane, the bushings offer greater wear life than rubber. The set restores correct spring/shackle articulation and improves stability and control while cornering, accelerating and braking.
Energy Suspension GM Rear Spring & Shackle - Black