the basic tuning parts I recommend so you don't go broke...
HP75175-Spring set x2
HP73516-0 Deg front hubs
not needed
HP73517-2 Deg front hubs
not needed
HP73518-4 Deg front hubs
buy spares
HP73519-6 Deg front hubs
not needed
HP75144-Piviot block spacers x2 Do i need to packs??
1 pk.
HP75156-0 Deg piviot block
not needed
HP75158-1 Deg piviot block
not needed
HP75159-1.5 Deg piviot block
not needed
HP75160-2 Deg piviot block
buy 1
HP75161-2.5 Deg piviot block
buy 1
HP75162-3 Deg piviot block
kit std.
also front/rear hubs, extra arms. from my Pro4...and I'm no expert driver and all the boards that got in my way...
...I've only managed to break 2 front arms and 1 c-hub.