3.5 Inch X-Factor Rear Air-Ride Suspension System For Ram 2500 HD 4x4 2014-Up Diesel Rock Krawler Variant:With No Shocks Combining proven flash tuning with

Combining proven flash tuning with a compact digital display

Backed for Life: Like all Rough Country suspension products

The Obdii output simulates an auxiliary ECU signal when plugged into a vehicle's OBD port

Same features as the PN 8571 with the addition of a vacuum advance

3.5 Inch X-Factor Rear Air-Ride Suspension System For Ram 2500 HD 4x4 2014-Up Diesel Rock Krawler Variant:With No Shocks Combining proven flash tuning withRock Krawler 3. 5 X Factor (Rear Air Ride) Suspension System For Ram 2500 HD 4x4 2014 Pres. (Diesel) The Rock Krawler 3. 5 inch X Factor System for the 2500 Ram HD with rear air ride is a perfectly tuned system for fitting 37 inch tall tires under your truck To start with, the front lift is provided by true Multi rate Coil Springs that offer an incredible ride, excellent handling and true off road performance. The radius arms are replaced by an