AJCMods 3D Printed Rear Body Post extension kit for Traxxas Slash 2wd Drag Car. Designed to work with either the Traxxas Wheelie Bar (#3678) or RPM Wheelie Bar Mount (#80902). This is ideal for Drag Race / NPRC Slash converted cars running longer bodies such as the '78 Malibu or Proline Nova. This extension kit moves the rear body posts back by approximately 3" and allows for upwards or downwards body post travel in 6 different positions. This also includes an optional fan mount for mounting any standard 30x30 fan to cool your motor.