You can either buy the complete swap from a website or find one in your local area like on Craigslist. If you buy a complete swap it will come with everything you would need. If you buy a local one and piece it together your going to need a few parts.
-Axles
-ECU
-Engine wiring harness
-Shift linkage
-Transmission
-Motor mounts
http://hmotorsonline.com/shop/sc2000...ry&keyword=JDM USDM Engines