This is a complete upgrade kit for the 2003-2006 GMC Sierra with V6 engine. This kit is also applicable to the 2007 Classic Body style Sierra with a V6 engine. The V8 and diesel models are located in the catalog as well. This kit comes with the OEM cruise control switch ( steering wheel does not need to be removed ), electronic servo and all the needed wiring. Please call with any application or installation questions.