Energy Suspension rear leaf spring bushing set in black is a rear spring and shackle kit that fits a 1 3/8 in. OD frame shackle with a 1.5 in. main eye and supports 1700–2800 lb axle ratings. Molded from Hyper-Flex polyurethane, the bushings last significantly longer than conventional rubber and help the suspension perform properly, improving stability during cornering, launches and braking.
Energy Suspension GM 2 & 4 X Rear Spring Bushing - Black