SKU: 25556157848

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

$314.99 $349.99
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

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

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25556157848

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4.7 ★★★★★
Based on 12 reviews
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Product Reviews
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Verified Purchase
Nancy
Battle Creek, US
★★★★★ 3
Pillows
These are to soft and and I wanted firm pillows
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
S
Shannon Dalton
Chelsea, US
★★★★★ 5
Wonderful Pillows
The description is totally accurate—they’re incredibly soft and cozy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
L
LA W.
Draper, US
★★★★★ 5
Just as Expected
Great pillows, exactly what I wanted.
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Reviewed in the United States on April 3, 2026
K
Verified Purchase
Kenenna Oyeka
Battle Creek, US
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Incredible Comfort – Like Sleeping in a Luxury Hotel Every Night!
I am beyond impressed with the DIORIS Pillows Queen Size Set of 2! From the moment I laid my head on them, I knew I had found my new favorite pillows. They strike the perfect balance between soft and supportive, making them ideal for back, stomach, and side sleepers like me and my partner. The fluffy down alternative fill feels just like the real thing—plush, breathable, and incredibly comfortable without triggering my allergies. These pillows don’t flatten out overnight either; they maintain their shape and bounce back beautifully each morning. What really stood out to me was the hotel-quality feel. The outer fabric is smooth, skin-friendly, and breathable, helping me stay cool and sweat-free throughout the night. I wake up feeling refreshed, well-rested, and with no neck pain—which is a huge win! If you're looking for affordable luxury, I highly recommend these DIORIS pillows. They’ve completely upgraded my sleep experience, and I’ll definitely be buying another set for the guest bedroom!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2025
J
Verified Purchase
James Amsler
San Leandro, US
★★★★★ 5
Pillowd
Color: Blue, Size: Queen Size Set of 2
They are huge and very fluffy queen size pillows, and they’re so comfortable. I’m actually laying on one right now.
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Reviewed in the United States on May 29, 2026

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