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UMI Delrin leaf spring shackle kit for 1970–1981 F-Body cars includes Delrin bushings for both leaf and chassis sides, laser-cut heavy-duty shackles and Grade 8 hardware. Manufactured in-house, the Delrin bushings reduce side-to-side and fore/aft axle movement, lower friction and promote consistent suspension action. The kit is made in the USA and finished in a durable gloss black powdercoat.
UMI Performance 70-81 Leaf Spring Delrin Shackle Kit
