Blue anodized aluminum steering tube shafts, connecting bar, spring outer shaft, and knurled adjustment nut.  Titanium turnbuckle.  Heavy duty black nylon bellcrank arms.  Ball bearings.

INCLUDED: One parts tree containing bellcrank arms
Two aluminum steering tube shafts
One aluminum connecting bar
One aluminum spring outer shaft
One bellcrank spring
One knurled adjuster nut
One titanium turnbuckle
Four 5x8mm ball bearings
Two collars
Two 3x12mm roundhead machine screws (hex type)
One Proline decal

 Assembly onto T-Maxx.
It will work on both the original version and the 2.5.  This kit does not come with installation instructions.