Chevrolet Performance ZR2 High Angle Upper Control Arm Ball Joint System enables increased upper ball joint articulation, which enables increased front suspension travel. A direct replacement for the production unit, the high angle joint system increases cross car articulation by up to 18% and features a sealed ball joint design and boot design based on Chevrolet Performance standards, providing a protected environment from off-road elements. Includes front upper control arms and all fasteners for a direct bolt-on installation.

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