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. Unlike other brands, these leaf packs INCLUDE U-bolts! 

SPECIFICATIONS

-Run 37" Tires Without Rubbing
-Supports 15" of Travel
-Sold as a Pair (both rear leaf springs) and INCLUDES U-Bolts

These leaf packs offer 4" of lift to match a 6" front lift. 

SKU: CS-DFSP-6-03-D
– 4″ rear lift maintains slight rear-hight stance with Carli 6″ 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
– Fits 4.0″ Axle Tube on 2003-09: 2500/3500 4×4, Diesel

Instructions