ive got a tilton kit for mine the kit was £301.75 for everything inc pipes its a tilton 600 series the part numbers are

tlt61-612 release bearing retainer borg warner t5
tlt61-601 adj face bearing

i got it from grandprix raceware unit 1 silverstone circuit nn128tn
tel 01327 855585
www.gprdirect.com yuo will need to get your bell housing machined out by about 5mm
i bought a peddle box already sorted from peter lloyd ralling
not fitted it yet as so cant comment on what its like but its another option for you