Valid Till:
Fitment
| Year | Make | Model | Driveline |
|---|---|---|---|
| 2017-2023 | Ford | F-250 Super Duty | 4WD |
| 2017-2023 | Ford | F-350 Super Duty | 4WD |
Features
- Fits 2017-23 Ford F250/F350 4×4
- Progressive design addresses the harsh rebound of the factory overload spring
- Includes 2-inch block, bump stop drops, U-bolts, and hardware
- Three-inch lift provides slightly rear-high stance with 4.5-inch and 5.5-inch lifts
- Load capacity is maintained, ride quality is improved
Important Notes
- When it comes to the F350, the main spring pack in the rear is already quite stiff and does not compress much unless under load. As a result, installing the Add-A-Pack on an F350 may actually make the rear suspension stiffer, potentially even stiffer than the stock setup. Due to this reason, the Progressive Add-A-Pack is not recommended for an F350. To achieve optimal ride quality, we highly recommend installing Carli Full Replacement Leaf Spring Packs.
Carli Add-A-Pack Rear Leaf Springs, 2017-23 Ford F250/F350 4×4, 3” Lift
Carli Add-A-Pack Rear Leaf Springs, 2017-23 Ford F250/F350 4×4, 3” Lift (Fits 2017-2023 Ford F-250 Super Duty 4WD F-350)
Carli Add-A-Pack Rear Leaf Springs, 2017-23 Ford F250/F350 4×4, 3” Lift (Fits 2017-2023 Ford F-250 Super Duty 4WD F-350)
- SKU : JVHP-CS-FPAP-45-17
- Part Number : CS-FPAP-45-17
$1,315.00
$1,315.00
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Product Details
Carli progressive-rate Add-A-Pack rear springs are specifically designed to address the harsh rebound of the factory overload spring they replace. When used in conjunction with a Carli Suspension System, they effectively mitigate the impact of medium to large bumps. By replacing the lower overload springs, which are typically one inch thick and do not follow the contour of the rest of the pack, with a mini progressive six-leaf pack, the overall capacity of the truck remains unchanged as determined by the factory springs. However, the progression of the rear spring rate becomes significantly more predictable.
This modification results in a smoother engagement and disengagement of the spring, thereby improving both ride quality and traction.
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