A new #2388 main diff gear should also be installed

Traxxas Center Driveshaft 6061-T6 Aluminum Blue

(4) 4x34mm Machine Screws

FEATURES: Metal gear shafts Metal and plastic main differential

Tekno RC TKR4187 "M5" 5mm Bore Mod 1 Pinion Gear (27T) E-Maxx Parts A new #2388 main diffTekno RC TKR4187 "M5" 5mm Bore Mod 1 Pinion Gear (27T) This is the 27 Tooth M5 Pinion Gear from Tekno RC. Features: Ideal for 1 8 scale and other MOD1 pinion applications Constructed of CNC machined steel, lightened and hardened for durability Standard length shank Number of teeth laser etched on shaft Includes: 27 Tooth Pinion Gear, M5 Set Screw Specs: Number of Teeth: 27 Gear Pitch: MOD1 Hole Diameter (Bore): 5mm