RockJocks greasable rear shackles for 1976-1986 Jeep CJ vehicles directly replace the stock shackles with our new, heavy duty units. Our shackles feature laser cut, 1/4 in. thick steel side plates, Energy Suspension fluted urethane bushings, grade 8 greasable bolts that feature zerk fittings on their heads for greasing of the bushings, and center bolt-in sleeves for added rigidity. Shackles are 4 1/4 in. tall from bolt center to bolt center, which is approximately 3/4 in. taller than stock). Finished in corrosion proof gold zinc plating and sold in pairs.