The Firestone Coil-Rite rear air helper spring kit for 2000–2010 Chevy/GMC Tahoe and Yukon full-size SUVs installs inside factory rear coils to provide tunable support. Supplied with air helper springs, supports, hardware, air line and inflation valves and requiring no drilling, the kit helps keep the vehicle level under load, improve steering and braking balance, and reduce tire wear and bottoming.
Firestone Coil-Rite Air Helper Spring Kit Rear 00-10 Chevy/GMC Tahoe/Yukon (W237604108)