Zone Offroad 2013-17 Ram 3500 6.5" Suspension System. The newest Zone Offroad lift option for the new 3500 Ram follows the same design as the current 4.5" system. The system utilizes the same heavy-duty radius arm drop brackets to properly compensate for the massive 6.5" progressive rate coil springs. The supplied drop pitman arm, extended bump stops, track bar relocation bracket, sway bar drops and brake line relocation adjust all the rest of the critical components and angles. The system coupled with a choice of standard hydraulic or Nitro shocks provides a great handling, smooth ride suspension system. The rear of the truck is lifted via a 5" block and u-bolts to provide a level stance.For those looking to use their 4wd on the road at speed we highly recommend adding the optional t-case indexing kit to improve the front driveline angles. These two kits (for the 6-bolt and 8-bolt T-cases) come with a t-case indexing ring, front driveshaft spacer and heavy-duty replacement transmission crossmember. The t-case indexing kits can be installed when the lift is installed or anytime after if the need arises. The indexing kits will also work with other lift heights and brands for those customers in need of one.

• 13-18 Ram 3500 4WD Diesel
• Correct Suspension Geometry.
• Front driveline vibration may occur at speeds over 35 mph when in 4WD. If this occurs install the appropriate optional t-case indexing kit. Models with a 6 bolt transfer case use part # D5623. Models with an 8 bolt transfer case use part #D5813.
• Not designed for dually models.
• Not designed for factory rear airbag suspension models.
• Progressive Rate Coil Springs.
• Utilizes Heavy Duty Drop Brackets.
• Vehicles equipped with a two-piece drive shaft and a carrier bearing require optional bearing drop kit D5405.