UMI’s heavy duty boxed lower a-arms P/N 2309 with dual rod ends provides a rock-solid foundation for your autocross, road race or corner carving 4th Gen. The a-arms fully gusseted box tubing construction, while appearing robust, affords a five pound weight savings per set over factory lower a-arms. The tube adapters for mounting the rod ends are crafted from 4140 CrMo steel to enhance thread durability and guarantee years of trouble free use. Revised ball joint location adds a nominal 2 degree caster increase. These arms have double shear sway bar mount tabs with endlink set included. These A-arms are designed to work with the factory K-member, UMI k-members, and virtually all aftermarket K-members. Crafted with pride in Philipsburg, PA- USA.

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