Carli 4" Rear Lift Full Replacement Progressive Leaf Spring Pack 03-09 Dodge Ram 5.9L / 6.7L Cummins AFE-77-44010 With a simple to install

With a simple to install coil spring spacer

If you're looking to improve your airflow to increase the power and the fuel economy of the diesel

Flow and Performance: This cold side tube is constructed of 3-1/2" mandrel bent

Auxiliary Ports: An Exhaust Gas Temperature (EGT) probe port is incorporated into each manifold for easy installation of gauges or testing equipment

Carli 4" Rear Lift Full Replacement Progressive Leaf Spring Pack 03-09 Dodge Ram 5.9L / 6.7L Cummins AFE-77-44010 With a simple to installThese full length progressive spring packs are built by Deaver Spring Mfg specifically for Carli Suspension to be used in conjunction with Carli's 6" Radius Arm kits. 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, all while not requiring a block to achieve proper ride height, eliminating axle wrap. As these kits are