Recommended Air Springs For A 2020 GMC Sierra 2500 Denali With 6" Cognito Lift And Fox Suspension
Published 07/20/2023
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Question:
Looking to add air bags to my 2020 GMC 2500 Denali with a 6 Cognito lift and Fox suspension. What kit is my best option and do I need some sort of spacer because of the lift?
asked by: Mark C
Expert Reply:
Firestone air bags, like the Firestone Ride-Rite Air Helper Springs # F2613 are a great choice for helping support the suspension of your 2020 GMC Sierra 2500 Denali. These springs have a 5,000lb capacity and bolt on design, with no drilling required. They're also compatible with in-bed hitches so you can still tow a 5th wheel or gooseneck trailer.
As for the need for a spacer, lift kits don't always create the same amount of gap so honestly the best way to determine the correct spacer needed would be to first install the upper and lower brackets and then measure the space between them.
6.5" - 7.5" distance between brackets - use 1.25" lift spacer # F2536
7.5" - 8.5" distance between brackets - use 2" lift spacer # F2366
8.5" - 9.5" distance between brackets - use lift 3" spacer # F2367
9.5" - 10.5" distance between brackets - use 4" lift spacer # F2370
11.5" - 12.5" distance between brackets - use 6" lift spacer # F2374
If you'd like to have an on-board air compressor to easily adjust the psi levels of your air springs on the go then I recommend the Air Lift WirelessONE Compressor System for Air Helper Springs # AL25980EZ. This compressor comes with an easy to use remote and Bluetooth compatibility so that you can activate and monitor the psi levels without having to run and wires into the cab of the truck. It also includes an EZ-Mount bracket so that you can easily install the compressor without having to drill into the frame.
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Product Page this Question was Asked From
Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle
- Vehicle Suspension
- Towing/Load Leveling
- Air Springs
- Suspension Only
- Heavy Duty
- Rear Axle Suspension Enhancement
- Firestone
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