Originally Posted by ShaunMac

There are 5 different Cyclone kits out there. 6 if you count the Cyclone S.
Original Black Edition, Hara Edition, Surikarn Edition, WC Moore Edition and the newest Cyclone TC.

The Original Black Edition: one-way up front, one-way center pulley, 3mm shock towers, steel universals, Delrin diff outdrives, Ti turnbuckles, 16T pulleys

Hara (purple), Surikarn (blue) Editions: one-way & spool in front, direct & one-way center pulley, 3.5mm shock towers, 44mm aluminum universal drive shafts, aluminum diff outdrives, Ti turnbuckles, 16T pulleys

WC Moore Edition: one-way & V3 spool in front, direct & one-way pulley, 3.5mm shock towers with added positions, MIP CVDs all around, Ti Nitride coated suspension hinge pins, shock shafts and diff screw, graphite bumber brace, rear aluminum heatsink brace, aluminum diff outdrives, Ti turnbuckles, 16T pulleys

Cyclone TC: has a mixture of parts from older kits along with brand new parts. New Parts: chassis, top deck, a-arms, roll bar assembly, front one-way/spool, prospec diff, bulkheads, steel turnbuckles, 18T pulleys

I probably forgot a few items but that's the basic breakdown.

Hope that helped.