Adam I can defaintely source the owner of this car a clutch, following are his options:
Exedy
Exedy Hyper Single Clutch (Waiting on Price, Ex Japan; lead time 6 weeks)
Exedy Single Ceramic (Waiting on Price, Ex Japan; lead time 6 weeks)
Exedy Single or Twin Plate Carbon (Waiting on Price, Ex Japan; lead time 6 weeks)
OS Giken
TS2BD ($2150, ready for immediate dispatch)
Twin plate 204mm full faced metallic composite disks, pressure plated rated at 1000kgf/m