The main pieces you would need, rear swingarm, rear fender and the front triple trees which would use the stock forks from your bike. There have only been 2 or 3 of these aftermarket conversons found that I know of, making them quite rare. Best of luck in your quest.
Nicholson 500x (Project)
Nicholson 185s
Nicholson 110 (That takes an atc70 tank)
Ascott 500 head/350x (Project)
Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
PK Racing Suspension 70
A+ Inc Suspension 70
AWS Aluminum 90 frame
Hi Performance ATC Suspension frame rd350
Hi Performance ATC Suspension frame 90