85539384 ZR2 Control Arm modification Kit, 2018-2022 Replaces 84402363  

ZR2 High Angle Upper Control Arm Ball Joint System

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.