"B.6 Steering and axles.
B.6.1 steering linkage rods may be sleeved or have extra material bolted to them for additional strength. Any sleeves must be made in such a way that they can easily be removed at scrutineers request to enable examination of the contained part(s). (For the avoidance of doubt, steering gear parts may not be welded after original manufacturer.)
Mabe when its finnished I can come have a go with SCORE.