SpeedTek RC hardened stainless steel spool shaft, bearings (2) and cups (2) kit that fits all of the of Arrma?s 6S Models including Infraction V2!  Does not fit in the V2 Limitless. The center driveshafts are the incorrect length.
 
We use these spools on all of or drag racing & speed run vehicles. The high speed spool kit comes with a 8mm hardened stainless steel spool, hardened steel drive cups and metal shielded bearings.