99-06 K1500 00-06 Silverado/Sierra 1500 6 Inch Torsion Bar Drop Lift Kit Zone OffroadReady for the big time? Then this is your 6 Inch Lift Kit. Designed for easy installation, value, reliability, and to stand out, which is easy when you can clear 3 Inch Inch tires. Get the look and performance you want out of your 4WD 1999 2006 Chevy GM 1500 Truck. Quick Specs: Front Lift Height 6 Inch Rear Lift Height 5 Inch Front Lift Method Torsion Bar Drop Rear Lift Method Cast Blocks Lift Type Lift Kit Wheel Size 16 x 8 Back Spacing 4. 5 Inch Max