Energy Suspension rear leaf spring bushing set in black fits a 1 3/8 in. OD frame shackle with a 1.75 in. main eye and is specified for 3000–3500 lb axle ratings. These bushings are molded from Hyper-Flex polyurethane to improve durability compared with rubber and to help the suspension maintain proper motion. The kit enhances vehicle control during turns, acceleration and braking.
Energy Suspension GM C20/C30 Spring & Shackle Set - Black