If you want replace those dodgy plastic parts that came on the Cat SXII with the purple alloy SX parts I have most for sale:
Alloy steering set - all the parts from this set (U3768):
http://www.racing-cars.com/pp/New_Ca...SX2/U3768.html
£10 posted
Most of the alloy pivot blocks - the rears are a straight fit. All the fronts are M3 & the very front are slightly deformed but sit straight (would be OK as spares). Front tubes also included. Regardless of the above - still £55 worth of useful parts - just add a front pair?!
£15 posted
Alloy eccentric diff housings - set of 4 for both diffs.
£10 posted
All of the above are used taken from a spare Cat SX.
£30 posted for the lot. (UK)
About £100 worth new
See pics.