SBX narrow pivot conversion kit

SBX1-3 narrow pivot conversion kit with new style front hubs.

Kit includes:

-ALU 7075 T6 REAR ARM MOUNT F 012-029

-ALU 7075 T6 REAR ARM MOUNT 012-028

-COMPOSITE REAR ARM (SOFT) 004-007-S x2

-FRONT UPRIGHT L/R 005-015 x2