R4Tech Hybrid Suspension

Firestone Lifted R4tech 10851632

The Lifted R4Tech proprietary, hybrid air-over-leaf suspension systems are available for 2011-2012 Chevrolet Silverado/GMC Sierra 2500 and 3500 trucks.

  • 2WD and 4WD applications for all cab and bed configurations
  • Feature Airide air springs, Ride-Rite air accessories and SANLUIS Rassini suspension technologies
  • Improves ride quality of unloaded lifted truck and delivers level towing when loaded
  • Increases axle control during acceleration and braking for improved torque management and reduced wheel hop
  • Air compressor control system maintains proper air level in spring to match the load