This kit is NOT bolt on, it REQUIRES welding and minor fabrication to install. Heavy duty design with removable cross member for service, it goes perfectly with our frame boxing sets. 100% made in the U.Note: Belly pan skidplate mount is not included. The item "Rob Bonney Fab 73-87 4x4 Chevy Truck 6BT Cummins Conversion Motor Mounts" is in sale since Friday, April 08, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Motor Mounts". The seller is "robbonneyfabrication" and is located in Peoria, Arizona. This item can be shipped worldwide.