HPI Racing Roto Start Back Plate V3 14mm Hex

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