Does the whole Z or H rated issue become a bit of a non-issue as MY supplier - Micheldever Tyres - has advised me that their supplier tells them the "Pirelli don't make the H-rated Diablo anymore"?
Maybe we have to consider the use of a different tyre or manufacturer for 2010..............oh, hang on, I appear to have fallen through a wormhole in time....
Paul
15th year in DD #68 and getting slower by the year
1199, SS800 & 620SSie DD racer