Roto Start Back Plate (14mm) TUDR56TU Inner Wheel Diameter: 45

Inner Wheel Diameter: 45

This race-ready transmission is built for massive torque with high-strength steel input

New Extreme Heavy Duty Upgrade parts allow Slash to take brutal punishment in stride

Pull the trigger and Spartan SR immediately jumps on plane and rips across the water to its heart-pounding 50+mph top speed

3 Arm Mount C

Roto Start Back Plate (14mm) TUDR56TU Inner Wheel Diameter: 45Roto Start Back Plate, V3, 14mm Hex HPI120277 Roto Start back plate for the F & G Series Nitro Star Engines that use a 14mm hex one way bearing. To use this back plate, your F or G Series engine must be fitted with #107829 ONE WAY BEARING 14mm HEX FOR PULLSTART ROTOSTART Use with any Starter unit from a Roto Start or Roto Start 2 system