Hi, Graham,
Apologises for delay, forgot to check my stock.
I having now checked my shims, I have the following around 0.255:-
1 x 0.259
1 x 0.258
1 x 0.2573
3 x 0.255
1 x 0.254
If you want any, please send replacement shims, with SAE.
To:- Steve Doyle
79 Priory Wharf
Birkenhead
Wirral
CH41 5LD
Cheers Steve