Suspension Kit Chevrolet Avalanche 2013-2007, Silverado 1500 2013-2007, Tahoe 2014-2007, GMC Sierra 1500 2013-2007, Yukon 2014-2007 Monotube Front Lift Height 0-2.75 Inch B8 6112 BilsteinBilstein B8 6112 leveling kits are designed to provide more ground clearance, allow for larger tires, and increase wheel travel. Multiple snap ring grooves in the body allow for different spring seat positions, providing 0 2. 75 inches of front lift (depending on application). These kits consist of (2) 60mm shock absorbers combined with (2) custom matched cold wound coil springs and (2) billet aluminum spring seats. The large 2. 65 in OD body and 60mm