Hot Racing Steel Helical Underdrive Differential Ring/Pinion for Traxxas TRX-4 (35T/10T) Traxxas Sledge " but neglect to mention

" but neglect to mention the long list of parts required to handle the extra power

This is a replacement set of spindles intended for the Tekno SCT4102

Other features include a plastic case with an aluminum center band for heat dissipation

gold-plated copper terminals with large

Hot Racing Steel Helical Underdrive Differential Ring/Pinion for Traxxas TRX-4 (35T/10T) Traxxas Sledge " but neglect to mentionThe Hot Racing Traxxas TRX 4 Steel Helical Underdrive Differential Ring Pinion Gear is a spiral cut overdrive 35T 10T gear set option for the Traxxas TRX 4. Features: Provides greater strength than factory straight cut gears Made from high carbon steel Less vibration than stock TRX 4 gears Provides 9% overdrive when compared to the stock (34T 11T) gearing Works front or rear Includes: (1) 35T Spiral Cut Ring Gear (1) 10T Spiral Cut Pinion Gear