Robsport International offer classic Triumph parts. Website has shopping cart system so you can buy online.
Also offer classic Triumph' for sale and servicing.
They say:
We stock a huge range of TR7, TR8 and Stag parts.
Robsport International
Units 1-3 North End
Dunsbridge Turnpike
Shepreth, Nr Royston
Herts SG8 6RA
Phone: +44 (0)1763 262263