Fits as stock replacement or leveled and lifted applications where an upgrade is desired to provide better performance, style, and function. Ample droop travel is required for good ride quality and all suspension components to last and work properly.This control arm kit will add performance to the Chevy and GMC truck by correcting the ball joint angle for lifted and leveled applications. The allowable droop travel is also improved with the design of these arms. Made in the USA.. Cognito SM Series Upper Control Arm Kit restores ball joint angle and suspension geometry on lifted or leveled 2019-2024 Silverado/Sierra 1500 2WD/4WD, including AT4 and Trail Boss.. Cognito 19-24 Chevy/GMC Silverado/Sierra 1500 2WD/4WD SM Series Upper Control Arm Kit. Balljoint SM Series Upper Control Arm Kit 19-20 GM 1500 2WD/4WD Trucks. Maintenance-free pivot bushings. Semi gloss black powder coating. Corrected ball joint angle. 2-hour DIY install time. Control Arm Kit. Made in the USA. Added caster. 110-90784

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