These full-length progressive spring packs are built by Deaver Spring Mfg specifically for Carli Suspension. These springs were designed as a two-stage spring pack, enabling the truck to still have an admirable weight capacity while offering smooth and comfortable street driving performance.
Choose between the Full Progressive Leaf Spring Pack for the standard or air-assist rear suspension.
2013-18 - Progressive Leaf Springs, 2" Lift, Diesel
CS-DFSP-13-D
- 2" rear lift maintains slight rear-hight stance with Carli 3" Systems
- Softens initial spring rate at ride height
- Minimizes axle wrap/wheel hop
- Reduces payload to "light" 3/4-ton capacity
- Capable of 15" of suspension travel with factory shackle
- Fitment: Ram 2013+ 3500 4x4, Diesel with 4" Axle Tube
- Will NOT fit trucks that have factory air-assist
2013-18 Progressive Leaf Springs, 1" Lift, Auto-Leveling Air Suspension
CS-DFSP-13-D-ALAS
- Converts rear to full progressive leaf spring design
- 1" Rear Lift, Matches a 3" Front Suspension Lift
- Minimizes axle wrap & wheel hop & maintains factory payload
- Fitment: Ram 2013+ 3500 4x4, Factory Air Assist
- Includes Sensor, Bag, and Airtank Relocation, Airline, Hardware and Fittings
- Will ONLY fit 3500 trucks that have factory air-assist
2019 - Progressive Leaf Springs, 3" Lift, Diesel
CS-DFSP-19-4.25
- 3" rear lift maintains slight rear-hight stance with Carli 3" Systems
- Softens initial spring rate at ride height
- Minimizes axle wrap/wheel hop
- Reduces payload to "light" 3/4-ton capacity
- Capable of 15" of suspension travel with factory shackle
- Fitment: Ram 2019+ 3500 4x4, Diesel with 4.25" Axle Tube
- Will NOT fit trucks that have factory air-assist
2019 Progressive Leaf Springs, 2" Lift, Auto-Leveling Air Suspension
CS-DFSP-19-D-ALAS
- Converts rear to full progressive leaf spring design
- 2" Rear Lift, Matches a 3" Front Suspension Lift
- Minimizes axle wrap & wheel hop & maintains factory payload
- Fitment: Ram 2019+ 3500 4x4, Factory Air Assist
- Includes Sensor, Bag, and Airtank Relocation, Airline, Hardware and Fittings
- Will ONLY fit 3500 trucks that have factory air-assist