HPI Roto Start Back Plate V3 14mm Hex

Roto Start back plate for the F and G series Nitro Star engines that use a 14 mm hexagonal one-way bearing. To use this back plate, your F or G series engine must be equipped with the 14 mm hexagonal one-way bearing for pull start/Roto Start. Use it with any starter unit from a Roto Start or Roto Start 2 system. Please check the Roto Start compatibility guide to ensure that this is the right Roto Start system for you.