Builds, FT86 Sprintex 335 BRZ/FR-S Systems are Here! motoadmin Dec 3, 2014 No Comments Tagged with brz, fr-s, sprintex, sprintex 335 This begins a new chapter for the Moto-BRZ. We’re adding an ACT XT unit to handle the torque, and we will see how far the stock motor will go with this unit!