
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
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Important notes before you order
- Does not fit models that are not the AT4/AT4X/Trail Boss/ZR2, unless a rear lift block and bump stop spacer is added.
TRU specialist notes
From the Trucks R Us fitment and install team, beyond the manufacturer's information.
- Plan for a professional wheel alignment after installing any lift or leveling kit.
- Going to bigger tires as well? Speedometer recalibration may be needed, and some tire and wheel combinations need trimming. Check the recommended wheels and tires, or ask us before you order.
Specifications
| Brand | Cognito Motorsports Truck |
|---|---|
| Part number | 210-P1298 |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
Features
- Note: Does not fit models that are not the AT4/AT4X/Trail Boss/ZR2, unless a rear lift block and bump stop spacer is added.
Fitment
| Years | Vehicle |
|---|---|
| 2019-2024 | Chevrolet Silverado 1500 Custom Trail Boss |
| 2019-2024 | Chevrolet Silverado 1500 LT Trail Boss |
| 2022-2024 | Chevrolet Silverado 1500 ZR2 |
| 2022-2024 | GMC Sierra 1500 AT4X |
| 2019-2024 | GMC Sierra 1500 AT4 |
Use the fit check above with your truck selected, or ask a specialist if your trim isn't listed.
Installation
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
Each Kit Features:
- Yields 1 Inch of Front Lift
- Maintains Adequate Droop Travel for Superior Ride Quality
- Fox 2.5 Performance Elite Series Remote Reservoir Shocks
- Enhances the Trucks Appearance and Reduces the Factory Nose Down Rake
- Cognito SM Series Upper Control Arm Kit
- Improved Ball Joint Angle
- 4-hour DIY Install Time
- Made in the USA
Note: Does not fit models that are not the AT4/AT4X/Trail Boss/ZR2, unless a rear lift block and bump stop spacer is added.
AT4/AT4X/Trail Boss/ZR2 are popular with the interior upgrades, paint matched bumpers and door handles (or the upgraded black bumpers AT4X/ZR2), and black trim instead of chrome. They also have an increased ride height over the other models, essentially a leveling kit with also a lift block added in the rear. The AT4 and Trail Boss still have cheap shocks and a hefty nose down rake. The AT4X and ZR2 have upgraded shocks (Multimatic DSSV) which are better but still leaving a lot of performance and ride quality on the table.
Adding this Cognito leveling kit will maximize the suspension travel opportunity by adding 1 more inch of front droop travel and then converting that into 1 more inch of front ride height. Maintaining a minimum of 3" of droop travel is crucial for optimum ride quality, and adding the 2.5" Fox Performance Elite Series Reservoir shocks is another major upgrade in dampening control.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
Do I need an alignment after installing?
Yes. Any lift or leveling kit changes suspension geometry, so get a professional alignment after installation.
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About Cognito Motorsports Truck
Cognito Motorsports is an industry leader in the design, development, and manufacturing of high-quality, proprietary suspension, steering, and chassis components for popular trucks and SUVs. Founded in 2001 and operating out of a converted chicken coop in Arroyo Grande, California,... Shop all Cognito Motorsports Truck