Identify this sphere ...

[citronut]

look like hydractive by the pipe port size

[CitroJim]

What size is that then?

The size you see Mike. Non-Hydractive are very much smaller and are tapped M9.

Those you have are certainly Hydractive but could be V6 ones. The acid test is to measure the strut hole at the top.

[xantos]

You forget easily?

http://www.frenchcarforum.co.uk/forum/v ... 0&start=75" onclick="window.open(this.href);return false;

V6.