I just did some rough adding up and I scared myself.
4 x sets of front pads: £40 each
2 x front discs: £60
2 x EBC front discs: £120
4 x EBC green stuff pads: £130
2 x front conti tyres @ 12k miles: £200 fitted
4 x Toyo R888 track tyres: £320
4 x Pro Race 2.0 wheels for r888's: £500
2 x mashed top mounts: £160
1 x bearing: £40
1 x front left hub: £40
1 x set of KW springs: £120
4 x new toyo R888's for 'ring trip: £320
20 x litres of oil £200
1 x OMP seat mount bracket £80
1 x OMP 4 point harness £85
1 x Quaife atb limited slip diff £575
Total £3110
In fairness I haven't picked up the diff yet and I'm completely ignoring any labour charges so as to avoid giving myself a heart attack.
In that 18 months she's done half a dozen full days at Bedford Autodrome on the GT circuit, a Castle Combe action day, a four day trip to Nurburgring where I demonstrated the mechanical sympathy of a mid 90's touring car driver and 27,000 fast miles.