Summary of recent changes
Current class specification.
1/8 production-based 4WD buggy drivetrain (Losi, Ofna, X-Ray, etc.). Dog-bone center drive; no mixing manufacturer drivetrain parts. Wheelbase 12-5/8"–13"; width 11-1/4"–13".
Open motor. Open ESC.
Any ROAR-approved 7.4V hard-case LiPo, 4.22V/cell max.
Molded one-piece body from the approved list (C&M, Losi, Ofna, RJ Speed, Stalker, Onstat, etc.). Decking allowed; no side dams. Rear spoiler 3" max from deck, triangle end caps.
17mm buggy wheels. Any 1/8 street-tread rubber tire; traction compounds legal.