Chevrolet/GMC C/K 4500HD/5500HD/6500HD Suspension

Features and Benefits

  • Non-torque reactive design optimized with CLASS┬«
  • Maintains proper driveline geometry through full range of torque inputs reducing driveline noise, vibration, and fatigue
  • Variable stiffness and damping adjusted automatically and instantaneously based on road conditions without driver intervention
  • Does not require modification to exhaust
  • Compact package space claim
  • 13,500 lbs – 15,500 lbs GAWR

Chevrolet/GMC C/K 4500HD Suspension

Chassis Uses

Note: LiquidSpring suspensions are chassis-specific and will work with any use if there are no conflicting modifications installed.

Literature Downloads

Chassis Specific

4×2 Air Ride Conversion
Suspension Serial Number 2009716 and Higher

4×2 / 4×4 Leaf Spring Conversion
Suspension Serial Number 2009716 and Higher


DS135NCV2-A / DS155NCV2-A (4×2 Air Ride Conversion)

DS135NCV2-S / DS155NCV2-S (4×2 Steel Spring Conversion)

DS135NCV4-S / DS155NCV4-S (4×4 Steel Spring Conversion)