Ram 3 Inch Long Arm System 10-13 Dodge Ram 2500/3500 Diesel Synergy MFG

Synergy Manufacturing SKU: FSVG_8503-13


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Synergy Dodge 2500/3500 3 Inch Long Arm Suspension System is Engineered and manufactured in the USA. The 3 Inch Dodge Long Arm System is designed for increased performance, stability, and ride quality both on and off road. The massive 2 inch diameter Front Lower Long Arms offer best in class ground clearance and allow the use of larger tires without rubbing. No bump stop spacers required. Long arms and track bar feature zero maintenance Dual Durometer Bushings (DDB) for increased longevity and vibration dampening. This system will lift the truck 3.0 inch and accommodate up to 37 inch tall tires.

  • Progressive wound coil spring manufactured using the latest in CNC hot winding technology for optimized on and off road performance
  • Heavy duty sway-bar links correct sway bar geometry and maximize stability
  • Heavy duty rear shackles provide a minimal amount of lift while keeping the rear driveline angles correct
  • Synergy double adjuster sleeve pinch bolt assembly allows for adjustment of control arm and track bar length without removal
  • Heavy duty front track bar made from high quality 1.5X.250 inch Wall 1026 DOM tubing allows centering of front axle when using a suspension lift
  • Lower adjustable long arms are manufactured from high quality crush resistant 2.00X.250 inch Wall 1026 DOM tubing
  • Upper adjustable control arms are manufactured from high quality crush resistant 1.75X.188 inch Wall 1026 DOM tubing
  • Long arms feature Synergy Dual Durometer Bushings (DDB) with Teflon bearing surface for a maintenance free design focusing on performance, flex, longevity, and ride quality.
  • Long arms incorporate the tried and true Johnny Joints for paramount performance durability
  • Rear add-a-leaf pack is a progressive 5 leaf design that replaces the factory overload spring for improved ride both on and off road
  • Cam Bolt Eliminator Kit takes the place of stock control arm cam bolts when upgrading to adjustable control arms for improved reliability
  • Suspension components feature an abrasion-resistant Powdercoat finish for maximum durability and corrosion resistance


  • 2010-2013 Dodge 2500 4x4 Diesel
  • 2010-2012 Dodge 3500 4x4 Diesel

Kit Includes:

  • 8515-11 Synergy Front Sway Bar Links
  • 8555-30-HD Synergy Front 3.0 inch Coil Springs
  • 8566-01 Synergy 1.0 inch Lift Rear Shackles
  • 8550-11 Synergy Adjustable Front Track Bar
  • 8581 Synergy Long Arm Brackets
  • 8583-04 Synergy Adjustable Front Lower Long Arms
  • 8585 Synergy Adjustable Front Upper Long Arms
  • 8516-02-400 Synergy Rear Add-A-Leaf Pack
  • 8565-03 Synergy Cam Bolt Eliminator Kit