Yes its 10mm, basically 4 thick washers.

1. back side
2. forgot, but when you put the rotor on it can only go on one way

Here are some pics to help you out.
[Linked Image]
[Linked Image]

1993 Talon TSi AWD, if in doubt, increase boost.
I've got a fever, and the only perscription is more cowbell! -Bruce Dickenson

for sale: my talon