Fitment Information

• GMC Sierra 1500 4WD 4.3L / 4.8L / 5.3L (2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)
• GMC Sierra 1500 4WD 6.0L (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)
• GMC Sierra 1500 4WD 6.2L (2009, 2010, 2011, 2012, 2013)
• GMC Sierra 1500HD 4WD 6.0L (2001, 2002, 2003, 2005, 2006)
• GMC Sierra 2500HD 4WD 6.0L / 6.6L (2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)
• GMC Sierra 2500HD 4WD 8.1L (2001, 2002, 2003, 2004, 2005, 2006)
• GMC Sierra 3500 4WD 6.0L / 6.6L / 8.1L (2001, 2002, 2003, 2004, 2005, 2006)
  
• GMC Sierra 3500HD 4WD 6.0L / 6.6L (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)
  

Specs & Features

• Installation is simple, the kit plugs in under the hood
• No wire cutting or splicing
• Kit comes with an illuminated rocker switch for control and to indicate when the front axle is being overridden
• Designed to allow the operator to manually disable the front wheel drive mechanism by holding the hubs in the free (2WD) mode with the transfer case in 4WD low range
• By allowing the front wheels to be disengaged, maximum torque is available to the rear wheels
• This will also allow for sharp "All The Way Over" turns without the front axle u-joint hopping or binding
• With this kit installed, the front wheels will NOT be driven through the transfer case
• Allows to have full power and torque while in a high gear reduction applied to the rear axle(s) only
  

Warranty

• Parts:  12 months  or 12, 000 Miles

Product Description