I apologize if this has already been posted but it looks like roadless gear has a VW engine swap kit. $250 but it's pretty bare bones (no engine mounts)
This NEW adapter kit will allow you to mate the VW diesel engines directly to your Samurai manual 5-spd transmission (some drilling required). This is the ideal kit for anyone wanting to do a diesel conversion on a budget. It allows you to use your stock Samurai clutch, pressure plate and starter. This is a very sensible conversion as the Volkswagen engines are cheap, plentiful, dependable and economical on fuel. They can also be turboed and parts are readily available. Adapter kit includes: Adapter plate, custom flywheel, pilot bushing, inspection cover template, hardware and instructions.
Captain, US Army
Camp Doha, Kuwait