New valve.............
https://www.two-sixties.co.uk/mgoc26...ead.php?t=6228
and
https://www.two-sixties.co.uk/mgoc26...ead.php?t=6644
To upload pics go to the 260 gallery - click the link at top lh side of forum front page
hth
Mike
ps I'm just up the road from Hemel. I'll keep an eye out for you (once I know what your car looks like lol)