Fitment: This suspension helper spring kit fits for Chevrolet Silverado and GMC Sierra 1500 1999-2006 / 1500 HD 2001-2007 / 2500 1999-2010
Easy to Install: These rubber springs are the direct replacements of the bump stop in the original vehicle, no drilling required, no hardware needed, you can install them using basic hand tools
Easy to Use: This helper spring kit is of no need for air lines or compressor, and it will automatically adjust when riding on uneven road and keep the vehicle level at all times
No Leaks: There are no need to fill air to these hollow rubber springs, which means you don't have to worry about air leaking and the maintenance is super easy
More Comfort: Up to 6,000 lbs additional support for you vehicle, each rubber spring works independently, providing smooth and stable ride especially when hauling off-center loads