Forget Lockheed, get this one
http://www.redracingparts.com/en/eng...cyldiscacc.htm Then depends what you want to achieve.
Control
Get a slipper. Corse one's still going on eBay occasionally.
Fork re-valve
Rear Ohlins - eBay again...
or Power
Dyno time with FIM Chip / Power Commander
Quick change rear sprockets
Or....
Track school, CSS / ESS or similar.