The product is a good companion for your car, with a variety of accessories, which makes the transformation of your car easier.
Reduce vehicle bounce, roll, and sway, dampen the driving vibration, and improve ride comfort in tough road and heavy-loaded conditions.

No squeaking noise, or trouble of brake dive, and acceleration squat.

Fitment:
For Chevrolet Silverado 2500 HD LT, LTZ, WT  2011-2014  4WD/RWD
for Chevrolet Silverado 2500 HD  2015
for Chevrolet Silverado 3500 HD  2011-2015
for GMC Sierra 2500 HD Denali, SLE, SLT, WT  2011-2014  4WD/RWD
for GMC Sierra 2500 HD  2015
for GMC Sierra 3500 HD Denali, SLE, SLT, WT  2011-2014  4WD/RWD
for GMC Sierra 3500 HD  2015
For single rear wheel (SRW) and dual rear wheel (DRW) model
Fit most side mount fifth wheel hitch model
Does not fit cab & chassis model 

Specification:
Load Capacity: 5000 lbs up
Placement:  Rear

Feature:
Keep proper ride height
Replace your factory jounce bumper
Reduce bouncing at the rear of vehicle when towing
Stop vehicle main springs from sagging (due to constant load compression)
When towing hauling heavy loads,air springs raise safety, comfort working with your suspension
Two adjustable secondary air helper springs can add up to 5,000 pounds of leveling capacity per axle for vehicles with leaf springs

Package Includes:
2x Air springs
Air lines
valve
Mounting Bracket
Hardware
Just as picture showed

Notice:
Instructions Are Not Included
We Recommend Professional Installation   

Additional Details ------------------------------ Product description:

The product is a good companion for your car, with a variety of accessories, which makes the transformation of your car easier.
Reduce vehicle bounce, roll, and sway, dampen the driving vibration, and improve ride comfort in tough road and heavy-loaded conditions.

No squeaking noise, or trouble of brake dive, and acceleration squat.

Fitment:
For Chevrolet Silverado 2500 HD LT, LTZ, WT  2011-2014  4WD/RWD
for Chevrolet Silverado 2500 HD  2015
for Chevrolet Silverado 3500 HD  2011-2015
for GMC Sierra 2500 HD Denali, SLE, SLT, WT  2011-2014  4WD/RWD
for GMC Sierra 2500 HD  2015
for GMC Sierra 3500 HD Denali, SLE, SLT, WT  2011-2014  4WD/RWD
for GMC Sierra 3500 HD  2015
For single rear wheel (SRW) and dual rear wheel (DRW) model
Fit most side mount fifth wheel hitch model
Does not fit cab & chassis model 

Specification:
Load Capacity: 5000 lbs up
Placement:  Rear

Feature:
Keep proper ride height
Replace your factory jounce bumper
Reduce bouncing at the rear of vehicle when towing
Stop vehicle main springs from sagging (due to constant load compression)
When towing hauling heavy loads,air springs raise safety, comfort working with your suspension
Two adjustable secondary air helper springs can add up to 5,000 pounds of leveling capacity per axle for vehicles with leaf springs

Package Includes:
2x Air springs
Air lines
valve
Mounting Bracket
Hardware
Just as picture showed

Notice:
Instructions Are Not Included
We Recommend Professional Installation