4 Inch Lift Kit Avalanche Surburban Tahoe or Yukon 1500 00-06 4WD Auto Ride Equipped BDS SuspensionDesigned to improve stance, performance, and capability, the BDS 4 inch lift kit for the 2000 2006 Chevy Avalanche, Suburban, or Tahoe and GMC Yukon 1500 4WD is a must have upgrade. For maximum ground clearance, BDS designed a No Torsion Bar Drop System where the torsion bars are mounted directly to the top of the lower a arm eliminating the need to drop the torsion bar cross member. This kit includes everything necessary to set your truck up right