2024-2025 GM HD ZR2/AT4X SM Series Upper Control Arm Kit (110-91252)

Purpose-built for the Silverado 2500HD ZR2 and Sierra 2500HD AT4X, Cognito's SM Series Upper Control Arm Kit features boxed sheet metal construction with corrected ball joint angles and added caster for superior on- and off-road handling on your lifted HD truck.

Features

• Boxed sheet metal arm construction for maximum strength
• Semi-gloss black powder coat finish
• Includes Alpha ball joints and maintenance-free pivot bushings
• Corrected ball joint angle for lifted applications
• Added caster for improved steering feel and stability
• 2-hour DIY install time
• Made in the USA

Manufacturer Description

Cognito's SM Series Upper Control Arm Kit is designed specifically for the 2024 Silverado 2500HD ZR2 and Sierra 2500HD AT4X. Featuring boxed sheet metal arms with semi-gloss black powder coating, Alpha joints, and maintenance-free pivot bushings, this kit provides corrected ball joint angles and added caster for proper geometry in lifted applications. Engineered, manufactured, and assembled in the USA.