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2021-2023 F150 Performance Parts
Suspension Upgrades
Blocks & Add-a-Leafs
2021-2025 F150 Auto Spring Add-a-Leaf Kit
2021-2025 Ford F150 Auto Spring Add-a-Leaf Kit | AAL1502
2021-2025 F150 Auto Spring Add-a-Leaf Kit
We price match! Call 623-434-5277!
Part#:
AAL1502
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11 Customer Q&A(s)
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Product Features
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2021-2024 F150 Auto Spring Add-a-Leaf Features:
Adds up to 1.5-2" of rear height while supporting more load
Pair of high-strength steel Add-a-Leafs
Comes with new center bolts
Drop right into your factory leaf packs
Options for both single and dual spring leaf packs
Made in the USA
Provides Additional Load Support and 1.5-2" of Rear Ride Height
The 2021-2024 F150s may be some of the most capable towing and hauling tucks around, but even they can use some extra load support and rear ride height if they're towing or hauling heavy or to compensate after a leveling kit install. The Auto Spring 1.5" Add-a-Leaf Kit for 2021-2024 F150s adds both extra load support and rear ride height to your awesome 2021-2024 F150 build. The Auto Spring Add-a-Leaf Kit features a pair of new leaf springs that install into your F150's stock leaf pack and give your truck an astonishing 950lbs of extra load support so that you can more effectively tow and haul at the bleeding edge of your F150's payload capacities. The Add-a-Leaf also gives your truck up to 1.5-2" of extra rear ride height so that you can win back some rake after installing a leveling kit and help your F150 stay level when it's loaded down with all the stuff you need for your next adventure.
Strong Steel Leaf Springs with New Center Bolts
The Auto Spring Add-a-Leafs were carefully designed to drop right into your F150's stock leaf packs and are constructed out of high-strength steel that can handle just about anything you have in mind for your F150 build. The Auto Spring leaf springs are made out of US-sourced 5160 spring steel that's then tempered and shot-peened for guaranteed strength and durability. The leaf springs are each fitted with Teflon contact pads to help prevent excess noise during operation and articulation. The Add-a-Leaf kit comes standard with new grade 5 center bolts for installation that allow you to drop the Auto Spring Add-a-Leaf right into your F150's stock leaf pack without modifications. The leaf springs are made right here in the USA.
Fitment:
2021, 2022, 2023, 2024 F150 4WD & RWD
F150 Leaf Pack Options:
the 2021, 2022, 2023, 2024 F150s could come with two different leaf pack options. Most standard F150s without tow packages are equipped with a single leaf pack with a large polymer overload spring. 2021, 2022, 2023, 2024 F150s with tow packages are generally equipped with a two-leaf main pack with a standard steel overload. Please check your F150's leaf pack type before ordering and select the appropriate drop-down option so that you receive the correct leaf springs.
Will this affect the ride quality? I have a 2023 F150 Tremor. I was thinking of adding a 2.0-2.5 front level and these springs.
Asked by:
BRYON SHU
- 7/16/2024
With this kit adding 950lbs of carrying capacity, it can firm up the unloaded ride slightly.
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Answer provided by:
Joel Galaz (7/17/2024)
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Are there only Teflon contact pads on the end? Or is there a center one as well between the new and old spring.
Asked by:
Cam
- 2/11/2024
Teflon packs are on the ends, and there would be no teflon packs between the individual leafs in the center.
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Answer provided by:
Joel Galaz (2/12/2024)
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Will this kit require longer U bolts for the installation?
Asked by:
chris
- 12/19/2023
No, you can use the factory U bolts with this kit, but it does come with longer center pins/bolts.
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Answer provided by:
Joel Galaz (12/20/2023)
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After install, do I need to let these settle with an unloaded bed for a period of time? Or can I install them and load the bed immediately afterwards?
Asked by:
Chris
- 9/6/2023
You can begin loading the bed immediately. They will settle some over time, but there's no time period you have to wait to be able to load anything in the bed.
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Answer provided by:
Joel Galaz (10/4/2023)
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Will this fit a 2022 f150 tremor?
Asked by:
Kris
- 6/22/2023
Yes this kit will work on a Tremor trimmed 2022 F150.
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Answer provided by:
Joel Galaz (10/4/2023)
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Does this kit increase the payload of the truck it is installed on?
Asked by:
EricR
- 4/26/2023
Yes the Auto Spring add-a-leaf will add an additional 950lbs of carrying capacity on the 2021+ F150 trucks.
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Answer provided by:
Joel Galaz (10/4/2023)
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Compatible with blue cruise?
Asked by:
Chelsea
- 1/14/2023
This kit is nor guaranteed to be compatible with Blue Cruise. You may be fine pairing this with a front leveling kit to get back some rake, but with all the stuff that goes into the Blue Cruise system, it's tough to say.
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Answer provided by:
Jason@Stage3 (1/16/2023)
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Is the add a leaf kit just the rear leafs or does it also include the front leveling kit? Im not sure because auto spring has the kit with front blocks and rear leafs and its almost same price as you have this kit.
Asked by:
Chris Geer
- 6/11/2022
This price is just for the add-a-leaf kit. Keep in mind that Auto Spring charges shipping on top of their base price.
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Answer provided by:
Jason@Stage3 (6/13/2022)
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Is this compatible with the Smart Hitch?
Asked by:
Chris
- 2/7/2022
Unfortunately, we haven't had anyone with a Smart Hitch in to take a look at how the system operates. That being said, according to Auto Spring, they have not had anyone report issues with the Smart Hitch option.
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Answer provided by:
Jason@Stage3 (2/9/2022)
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Will these work with a ready lift level kit 2" on a 2022 F150 Platinum Powerboost w/CCD? ReadyLift now says the level kit works with the CCD, but I"m unsure if the add-a-leaf will work with the stock CCD.
Asked by:
Alex
- 2/2/2022
According to Auto Spring, their Add-a-Leaf Kit is compatible with the CCD system.
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Answer provided by:
Jason@Stage3 (2/3/2022)
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If you remove the factory block will this give the rear about a .5" lift over stock?
Asked by:
Josh
- 1/4/2022
Essentially, though you'll probably be at a full 1" until you break in the springs a bit, but they should settle down to around .50".
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Jason@Stage3 (1/6/2022)
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