RockJock’s greasable rear shackles for 1987-1995 Jeep YJ Wrangler vehicles directly replace the stock shackles with our new, heavy duty units. Our shackles feature laser cut, 1/4″ thick steel side plates, Energy Suspension fluted urethane bushings, and grade 8 greasable bolts that feature zerk fittings on their heads for greasing of the bushings. Shackles are 4 1/4″ tall from bolt center to bolt center. Finished in corrosion proof gold zinc plating and sold in pairs.