Amazon.com: Adjustable Camber Kit Lock & Upper Arm Alignment Cam Bolt How to Install Eibach Pro Alignment Camber Adjustment Bolts on your Camber Lock Alignment Fix For Chevy Silverado Sierra 1500 Upper Arm Cam Eibach Pro Alignment Camber Arm Kit (Hellcat) Solis Racing Group Amazon.com: FBSCTMH Stainless Steel Alignment Caster Camber & 12.9. Alignment Kit for the 2007 2013 GMC Sierra 1500 re necessary when lifting or lowering vehicles because changes in the height of a vehicle can affect the alignment of its wheels. If a vehicle is lowered or lifted beyond a certain point, factory alignment specifications will not be achievable which can negatively effect handling. These alignment kits not only allow the adjustment of a vehicle's camber back to factory specifications, but they also allow an experienced chassis tuner to utilize the increased adjustment range to achieve a more performance oriented alignment. Standard Features Precision Alignment Camber Plate Nut Kit for Maximum Performance. Prevents Uneven Tire Wear. Wider Range of Camber Adjustment Suitable for Street or Track Tuning Specifications Part Number 5. 86375K Part Name Alignment Camber Cam Nut Kit Vehicle 2007 2013 GMC Sierra 1500 UPC 00803050295712 OEM replacement Yes Notes Without QuadraSteer Vehicle Fitment 2007 GMC Sierra 1500 2008 GMC Sierra 1500 2009 GMC Sierra 1500 2010 GMC Sierra 1500 2011 GMC Sierra 1500 2012 GMC Sierra 1500 2013 GMC Sierra 1500