Roto Start Back Plate, V3, 14mm Hex 67376-4 this is the backer we

this is the backer we recommend

Specifications: Body measures ~7" in center section width

These high-quality aluminum shock bodies will provide super-efficient suspension operation in all conditions

Precision machined red anodized aluminum diff case offers increased durability

Maximum Charge Current: 5A

Roto Start Back Plate, V3, 14mm Hex 67376-4 this is the backer weRoto 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