Summary of recent changes
Current class specification.
Stock 2WD Slash. Steering servo and radio/receiver may be upgraded. Any Traxxas-brand aluminum parts for the 2WD Slash. LCG and HCG chassis legal. Min ride height 0.75" (incl. body). Approved RPM parts (any color): 80712, 80832, 80852, 8102, 81003, 81005, 80905, 80372, 80382, 80244, 80249, 80599, 73752, 80592, 80595, 80594. All parts in stock locations; no sway bars.
Stock differential — no locking/modifying, must retain diff action. Traxxas Pro Series Magnum 272R allowed.
Option 1: Traxxas XL-5 ESC + 12T 550 Titan. Option 2: Traxxas BL-S2 combo. Option 3: Hobbywing 60A JustStock ESC + 13.5 JustStock. No fans.
Any 2WD Slash wheel (2+ vent holes; stock offset front/rear). Tires: Traxxas Kumho Venture, Traxxas Hoosier, DE GT6 grooved/non-grooved, or Proline Hot Lap.
Traxxas Ultra/GTR shocks; Traxxas springs only. 2S LiPo, 8.44V max.