3946x Apr 2026

: It is designed to fit motor shafts and mesh with a spur gear to transfer power to the drivetrain. Because it is a "Heavy Duty" version, it is typically used in larger or more powerful models like the Traxxas E-Revo , Summit , or Maxx series where standard gears might strip under pressure .

: You can find this part at specialty retailers such as RC Hobbyland . 2. K&N RK Series Air Filter Assembly (Part #RK-3946X) : It is designed to fit motor shafts

: Features an aluminum top with a chrome-plated finish and the K&N logo . : It is designed to fit motor shafts