Clutch basket bolt size for first generation M900?

[cayman s]

I need to know the length of the eight 8mm x 1.25 bolts that are used to attach the clutch basket.  I want to use new bolts when I rebuild my clutch and would like to have the new bolts in hand before I dismantle my clutch.

Thanks.

CS

[suti]

25,5mm with head, 20 without head