McGaughys 3/5 or 4/6 Adjustable Lowering Kit 07-13 GM 1500 Truck 2WD All Cabs 34070 2007-2013 Chevy Silverado GMC Sierra 1500 2WD Adjustable Lowering Kit 3" Front / 5" Rear or 4" Front / 6" Rear or Anywhere in Between. Spindles, Front Adjustable Performance Struts, Rear Shocks, Rear Axle Flip Kit, Adjustable Rear Hangers, Shock Extenders, Hardware and Instructions