Heavy-duty Rockjock Boomerang rear shackles designed for Jeep YJ models—includes urethane bushings and greasable hardware, optimized for use with Pro Comp leaf springs.

Description

RockJock’s greasable Boomerang rear shackles for YJ Wrangler vehicles directly replace the stock shackles with new, heavy duty units. Shackles feature laser cut, 1/4 in. thick steel side plates that are a boomerang shape, to allow the spring eye to travel much further around the back of the vehicle for increased articulationl Additional features include Energy Suspension fluted urethane bushings to fit ProComp springs, 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 3/4 in. tall from bolt center to bolt center. Finished in corrosion proof gold zinc plating and sold in pairs.

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