Standard passenger side mount package for 1997-2020 Chevrolet G-Series. Standard PKG-PSM packages include a vehicle specific base plate, Heavy-duty pole without height adjust handle, tilt-swivel motion device, and a top offset plate. by bundling all of the necessary parts in one sku we have simplified the ordering process. The vehicle specific Heavy-duty mounting base mounts to existing OEM seat bolts for easy installation (C-HDM-139). Heavy duty poles (without height adjustable handle) include adjustable collar to be set at fixed height during installation (C-HDM-210).