Today we are going to install part number 9465 our gooseneck head assembly. We will also be installing a rail kit which is part number 4434 for our 2005 GMC Sierra pickup 3500. The first step involved would be to make room for the install kit and rails. What happens is this heat shield needs to be removed. We are going to take it out from this section to this beam here. To make it easier maybe go… see more >