Recommended Air Bags and 6" Spacer for a Lifted 2018 Chevy Silverado 1500
Updated 02/14/2026 | Published 02/10/2026
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Question:
I have a 2018 Silverado 1500 crew cab it has a 9” suspension lift on it. Do you have any helper bag spacers that would would with that big of a lift? Thank you
asked by: Sean L
Expert Reply:
Hey Sean, that's quite the lift. The 6" Lift Spacers for Firestone Ride-Rite Air Helper Springs item # F2375 are going to be our tallest option. There's no spacer that will help you out with a 9" rear lift. They are compatible with the Firestone Ride-Rite Air Helper Springs item # F2430 that fit your 2018 Chevy Silverado 1500. These will attach directly to your bump stop perk and to your axle on the inside of your leaf spring pack.
Most lift kits don't actually raise the rear end the same distance they're advertised. I've got a Silverado with a 3-1/2" lift leveling kit and they only put a 1" block in the rear between the bed and the frame.
How tall is the rear lift on your truck and how did they raise it? I'm worried about compatibility as well as the distance. If you could add the information below where it says ADD comment, I can give you a yes or no on adding air bags. Also if you want me to take a look at your rear suspension to see if there's going to be any interference with the brackets on the item # F2430 kit you can email any pics you have directly to the email address you receive this response from.
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Product Page this Question was Asked From
Lift Spacers for Firestone Ride-Rite Air Helper Springs - Vehicles w/ 6" Lift
- Accessories and Parts
- Vehicle Suspension
- Spacers
- Lift Spacers
- Firestone
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Sean L.
2/14/2026
They used a 5 3/4 block with “1.5” add a leaf. The spacing from the bump stop cup lip to the flat mount on axle is 12”