Parts in order, top to bottom:
KDX top nut
KDX top washer
KX top triple clamp
Spacer/sleeve
KDX stem nut
KDX dust cover
Top bearing
Head tube
Bottom bearing
KX lower triple clamp
Here are some photos:
RB Spacer/sleeve:

RB spacer/sleeve in top KX triple clamp:

Assembled:

Thanks






