Quote:
Originally Posted by RogerM
In short (all that really matters performance wise);
motor centering kit
UM521-1 wishbones (same length butwith only 1 lower shock mounting hole in the middle of where the 2 on UM521 would be)
UM519-1 rear hubs (camber link holes 1/2 hole spacing further out than UM519)
There was a couple of other little bits but essentially they either aren't performance related or get changed out on most setups / conversions anyway.
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Sorry but that's the differences between a SP2 and a SP, and I think the question was the diff between a SP2 and the original RB5, which are quite a few, as :
- different rear arms and bones (shorter)
- longer rear shocks and rear tower
- old style shocks (not fluorine coated)
- cheaper turnbuckes
- body
There could be other differences, I don't know them, I didn't owned a RB5 at that time.