4.5 Inch Lift Kit Silverado/Sierra 1500 2WD (1999-2006 & Classic) Rough CountryGo Bigger, Go Bolder: Take your truck off the beaten path with Rough Country's 4. 5 Inch Suspension Lift for 1999 2006 2WD GM 1500 models. This all inclusive lift kit gives you the aggressive stance and added clearance you need to dominate any trail with enough lift to run up to 33 Inch tires. Boosted Clearance Meets Balanced Stance: Front lifted coil springs and rear lift blocks combine to deliver 4. 5 Inch of added height, boosting ground clearance