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6L Duramax Diesel
Main 6R140 Gear Box
& Performance
Available in either 8-layer Cotton Cleanable or Dry Extendable media
Does not sacrifice any ground clearance
Synergy 8503-13 3" Long Arm Lift Kit Suspension System Serial Number Required 6L Duramax DieselLift your 2010 2013 Ram 2500 3500 6. 7L Diesel 4WD with the Synergy 8503 11 3" Long Arm Lift Kit Suspension System from GAP. Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts. The overall performance of the system is the most important factor when designing components to work together. Synergy MFG Suspension Systems are complete systems for your